John apologized for_to finish his homework on time.A.his being not ableB.his not to be able C.his not being able D.him to be not able什么结构,为什么选C

John apologized for_to finish his homework on time.A.his being not ableB.his not to be able C.his not being able D.him to be not able什么结构,为什么选C
John apologized for_to finish his homework on time.A.his being not able
B.his not to be able C.his not being able D.him to be not able
什么结构,为什么选C

John apologized for_to finish his homework on time.A.his being not ableB.his not to be able C.his not being able D.him to be not able什么结构,为什么选C
apologize for ones not doing or being sth.为自己没有做什么道歉,

你好。“简单句+动名词”的结构，for是介词，后面的be必须是ing形式（介词+宾语/动名词）
apologize for -- - -为 - -- 而道歉。