【正确答案】Whatever they say/No matter what they say, do what you think is right.

【答案解析】此句考查英语中多重复合句的表达。首先，考生要熟悉汉语“不管……”在英语中的惯常表达法为“no matter what...”或者“whatever...”引导的让步状语从句；其次，主句考查的语法点有两个：一是祈使句的表达，二是宾语从句的表达。