7.Many people attend various public lectures ,chiefly___ themselves familiar with the lastest develo

题目

7.Many people attend various public lectures ,chiefly___ themselves familiar with the lastest development in different fields.
A.getting B.to get C.to have got D.got
答案是：A
为什么不是其他选项?尤其是B?
请详细说明,谢谢!

答案

这道题考查的是“现在分词从句”.ing动词从句很常见,比如：
Emma closed her eyes,listening to the music.