—Hi, Vince, can you come to my party?

—________ , I have too much homework to do. I'm so busy. [ ]

A. I'm sorry      

B. That's too bad      

C. I'd love to      

D. Good idea

下列腧穴位于胸锁乳突肌后缘的是（）。

A.人迎

B.水突

C.天容

D.天窗

E.扶突