—Would you mind answering some questions on shopping habits?

— ________．

A．Yes, with great pleasure

B．No, I am afraid I can't make it

C．Yes, it is worth the time

D．No, as long as it doesn't take long

平环状软骨水平（）

A.第7胸椎棘突

B.第5颈椎棘突

C.第6颈椎棘突

D.第4腰椎棘突

E.第7颈椎棘突