根据短文内容，从短文后的选项中选出能填入空白处的最佳选项，使短文意思完整、

连贯。（每个选项限用一次）

Look at the picture. I'm the dog. My name is Peter and I am two years old now. Behind me is my good friend. His name is Mike.

Mike works(工作) from Monday to Friday.

Sometimes he teaches me how to play the guitar(吉他). But I can't do it .

Every day, I go with him. Sometimes people don't let me go to the stores. At this time, Mike always tells others(告诉他人) I'm very nice.

He is very tired(疲劳的). I always get things for him. He's very nice to me.

A. I'm not happy about this. B. Mike often(常常) finishes his work at 6 p.m.. C. He can't see anything(任何东西)。 D. He likes singing and playing the guitar.