Read the dialogue and choose. (选择适当的句子填空)

① I have a toothache.   

②You look sad.

③ See the doctor and take some medicine.

A: How are you？__________

B: Yes, I failed the English test.

A: I'm sorry to hear that.

B: How about you？

A: I feel sad, too. _________

B: _________

A: Thank you. I will.

起止部位与喙突有关的三块肌肉是指（）

A、肱二头肌短头、喙肱肌、胸小肌

B、肱二头肌长头、喙肱肌、胸小肌

C、肱三头肌长头、喙肱肌、胸小肌

D、胸大肌、胸小肌、前锯肌