— you meet Mary when you were in London?

— No. I couldn't _______ in touch with her.

 [ ]

A. make

B. find

C. get

D. have

照样子，改写句子。

例：小刚拿走了皮球。   

       小刚把皮球拿走了。   

       皮球被小刚拿走了。 

邮递员送来了爸爸的回信。