问题
选择题
Mr. Jenkin regretted ______ his secretary for the mistake, for he later discovered it was his own fault.
A．to blame
B．being blamed
C．blamed
D．having blamed
答案
答案：D
考查短语：regret doing/having done 后悔做了某事，句意：Mr. Jenkin后悔因为错误责怪了他的秘书，因为他后来发现是他自己的错。故选D。