问题
选择题
_______________ while writing, he locked himself in his study.
A．Not to interrupt
B．Not being interrupted
C．Not to be interrupted
D．Being not interrupted
答案
答案：C
考察不定式做目的状语。不定式的否定式是在前面直接加not；结合句意可知C正确。句意：为了在写作时不被打扰，他把自己锁在了书房里。