We haven't heard from her for weeks. How do you suppose _____ with her studies now?  [ ]

A. is she getting along

B. she gets along

C. she is getting on

D. she had got on

筛漏斗的最后为()

A．筛泡

B．钩突

C．上颌窦开口

D．额隐窝

E．额骨鼻突