No one can understand a decision until it is too late to do so.
A. him to postpone to make
B. him to postpone making
C. his postponing to make
D. his postponing making
网友回答
A. him to postpone to make
B. him to postpone making
C. his postponing to make
(答案→)D. his postponing making
解析：D 本题考查非谓语动词。句意：人们无法理解他为何迟迟不做决定。等到理解时，为时已晚。understand后跟动名词（短语）作宾语，此处用的是动名词的复合结构；postpone推迟，其后也要跟动名词作宾语，因此D项正确。