—Shall I attend my friend's coming­of­age ceremony Mum?—No unless you see to th

问题补充：

—Shall I attend my friends coming­of­age ceremony, Mum?

—No, unless you see to that you will be home before 1000 PM.

A. one

B. this

C. it

D. her

答案：

A. one

B. this

(答案→)C. it

D. her

解析：C 考察代词辨析。句意：—妈妈，我可不可以参加我朋友的成人礼？—不行，除非你保证在晚上10点之前到家。It作为形式宾语指代that后面引导的宾语从句。See to it that确保，是固定句式。故C正确。