题目

Dear Kangkang,Can you help me? I have too many rules. 【1】 Mom goes to work at 6:30a.m.,so I have to cook breakfast!After breakfast,I run to school because I can’t be late.【2】 Don’t be noisy and don’t talk in class,and so on.I have to wear a uniform on school days.【3】 I think it is the ugliest clothes in the world. After school, Dad says I can’t go out with my friends.I can only go out with them on weekends.【4】 Why? Because it’s a rule again——-do my homework after dinner.I also have rules for sleeping! I have to go to bed before half past nine.Rules,rules,rules! I 若复数是实数，则x的值为 [　　] A． －3 B． 3 C． 0 D．