问题
选择题
He apologized for ______ to inform me of the change in the plan.
A．his being not able
B．him not to be able
C．his not being able
D．him to be not able
答案
答案：C
考查动名词的否定，for是介词，用动名词做宾语，否定词not放在动名词前面，his是逻辑主语，句意：他因为没能及时通知我计划改变而道歉。选C。