A-A+
His homework ______ John went back home.A．hav
问题详情
His homework ______, John went back home.
A．having finished
B．finishing
C．had been finished
D．having been finished
参考答案
正确答案：D
解析：本题考查独立主格。该句意为“约翰完成作业后回家了”。该题独立主格部分动词finish的逻辑主语为homework，两者之间为被动，另外finish动作发生在went back home之前，因此选D项。
