Victor 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
Victor 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
C
此处for后接-ing形式的复合结构，且-ing形式的否定式是在其前加not，故
选C。