The boy finally was beginning ___ his mistakes.
A. that he saw B. for him to see C. seeing D. to see
The boy finally was beginning ___ his mistakes.
A. that he saw B. for him to see C. seeing D. to see
D
start, begin 等词的进行时,不用动名词做宾语,所以不选C. A B两项的语法结构不对.