请问各位老师,这样一道选择题:
He had some trouble ________ himself to college life when he came to college in 2018.
A. adjusting B. adjusted C. to adjust D. having adjusted
鉴于have trouble (in) doing sth,所以B项和C项可以排除,答案是A项,请问:为什么不能选择D项呢?
《高考英语备考1号·速效编》
《高考英语备考1号·写作编》
《高中英语晨读晚记》
《高中英语错题笔记》
《零起点考大学英语》