对肘窝，错误的描述是()

A．有尺神经经行

B．内有肱动脉、肱静脉、正中神经经行

C．窝底有肱肌的下份

D．上界为肱骨内、外上髁的连线

E．下外侧界为肱桡肌

根据各组对话内容，从下面方框里提供的5个选项中选出最佳选项

A: Could I use your dictionary. pleaseB: ().A: Thank you. I’ll return it as soon as possible.

A．Sure. What is it

B．It’s very nice of you to say so.

C．It’s nothing.

D．Have a nice trip!

E．Certainly. Here you are.