题目内容：

阅读下面短文，从短文后各题所给的四个选项（A、B、C 和 D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。

On a cold winter morning, an old man sat awkwardly（笨拙地） against a wall at Sydney’s Circular Quay station. I glanced for a moment but   _________  him and walked on to my office as I   _________  he was a derelict (流浪汉).

On my way back that afternoon, in the _________ place I saw an ambulance and the man was being _________  by two nurses. He wasn’t a derelict but a worker, who   _________ fell ill on his way to work.

Shame shocked me when I realized that sick, old man had put up with the _________  of the entire day. He probably reached out to passers-by for _________  . No one stopped. No one _________  .

A different season and I again   _________  an old man half lying on the footpath. Caught up in the   _________ rush of people commuting (乘车上下班), I would have _________ him quickly as I had done before. However, the   _________ of the old Winter Man forced me to walk to the man on the ground, who was dressed in smart clothes but lifeless, and _________ down to ask if he was OK. He   _________  consciousness again, and told me he was diabetic (糖尿病) and   _________ me to call an ambulance for him, which I did.

Very weak, he said to me, in a _________ , “Nobody stopped. Thank you.” I looked into his eyes for a moment in _________  , but much was spoken without a word being said.

As the _________  ambulance siren(警笛声) announced the arrival of help, a number of _________ rushed at me: sadness for the Winter Man and   _________ that I didn’t walk past another person in need. I was amazed that it had been so easy to be helpful.

1.A. ignored       B. remembered   C. comforted    D. understood

2.A. announced    B. proved       C. expected   D. thought

3.A. first        B. next        C. public       D. same

4.A. watched       B. attended   C. supported    D. improved

5.A. nearly        B. finally      C. suddenly    D. immediately

6.A. violence     B. coldness     C. tiredness    D. anger

7.A. safety        B. money       C. help         D. attention

8.A. served        B. liked        C. knew       D. cared

9.A. came across  B. gave up      C. looked for D. focused on

10.A. frequent     B. great        C. usual        D. gradual

11.A. greeted     B. found        C. followed   D. passed

12.A. guidance    B. memory     C. impression   D. comment

13.A. lie         B. bend         C. hold         D. look

14.A. gained       B. returned    C. offered      D. received

15.A. forced      B. allowed     C. encouraged   D. asked

16.A. loss        B. hurry       C. whisper      D. panic

17.A. surprise   B. excitement   C. silence      D. pain

18.A. moving       B. approaching  C. dropping   D. calming

19.A. emotions    B. dreams      C. plans        D. opinions

20.A. relief      B. shock        C. luck         D. regret