— Why does Jane feel so upset?

— She failed the exam and she has no friends ____. [ ]

A. talking

B. talking with

C. to talk

D. to talk with

望远镜中的物镜作用是（）。

A.将远处的目标放大成虚像

B.将远处的目标形成缩小的实像，成像于十字丝面上

C.将远处的目标缩小成事实像，并不成像与十字丝面上

D.将近处的目标放大成实像