单选题 Surely you remember ______ him the money? I hope that he won't forget to pay you back.

【正确答案】 C

【答案解析】remember doing意思是“记得做过了……”；remember to do意为“记得要做……”。与它用法类似的有forget等词，forget doing意思是“忘记做过了……”，forget to do意思是“忘记了要做……”。