题目内容：

    In September 2019, a man named Anuchit was riding his motorcycle down a highway in Thailand. He spotted a sad-looking dog sitting on the side of the mud. The poor dog seemed to be waiting for someone.

Later that day, Anuchit rode by that exact same spot and found the same dog still sitting there. After stopping his bike to see if the dog was OK, Anuchit happened to meet a local person named Saowaluck, who told him the animal's backstory. Saowaluck kept finding the dog at that same corner in 2016. She brought him to the vet, named him Leo and adopted him. But days later, Leo disappeared. Sanwaluck found him at the same corner along the highway and returned every day to give him food and water. She loved him, but he wasn't ready to accept her as his new owner.

After the motorcyclist shared Leo's story on the Internet, the dog's former owner came forward. An elderly woman named Noi said Leo jumped out of her pickup truck back in 2015. She and her husband looked everywhere but couldn't find him. When Noi arrived at the corner to reunite with Leo in 2019, he ran over to her and was greeted with rubs and pets — but he refused to go home with her!

Saowaluck begged Noi to keep the dog herself because she had become so attached to him and had already tried to adopt him once before. Leo has reportedly been with Saowaluck ever since — no longer sad, and no longer waiting.

1.Why did the dog look so sad?

A.He lost touch with his owners. B.No one gave him food to eat.

C.He missed the truck to his home. D.He disliked being sent to the vet.

2.What do we know about Saowaluck?

A.She lost her dog while travelling. B.She adopted the dog finally.

C.She sold the dog to Anuchit. D.She shared the dog's story online.

3.How did the dog feel when he met Noi?

A.Angry. B.Proud.

C.Nervous. D.Delighted.

4.What is the text aimed at?

A.Advising people to raise dogs properly.

B.Telling readers how to take care of dogs.

C.Showing us dogs are royal and grateful.

D.Encouraging people to adopt deserted dogs.