I certainly didn t appreciate______when I made mistakes.
A．to be accused
B．having accused
C．to have been accused
D．being accused

A.
A．to
B.having
C.to
D.being

【参考答案】

D
这是一道语法题，考点是appreciate一词的用法，它后面应用动名词。B中不应用完成时，这里应该用被动语态。