问题补充:
asks you to get rid of the bad habits is quite right.
A. Who
B. Those who
C. Anyone whom
D. Whoever
答案:
A. Who
B. Those who
C. Anyone whom
(答案→)D. Whoever
解析:所选答案是主语从句的引导词且在从句中作主语,同时又作了主句的主语,用whoever,因为whoever相当于anyone who(who作主语),those who中的定语从句要用复数的谓语动词。