题目内容：

what's your favourite sport?swimming.i think it's{a,easier b,more difficult c,the most interesting
d,the most boring }of all

优质解答

C
提示词：favourite “最喜欢”----此词间接告诉我们范围是三个以上,故选最高级,排除A,B
既然是最喜欢,肯定认为最有趣,排除D