Never stop doing you are fond of.
A. no matter what
B. whatever
C. if
D. that
网友回答
A. no matter what
(答案→)B. whatever
C. if
D. that
解析：考查名词性从句。在本句中whatever you are fond of是动词doing的宾语从句，whatever引导起这个宾语从句，并在句中做of的宾语。If和that在宾语从句中不充当任何成分。No matter what只能引导让步状语从句，不能引导名词性从句。