Remember， nothing hurts concentration ______ reading too slowly.

Remember， nothing hurts concentration ______ reading too slowly.
A、rather than
B、as well as
C、more than
D、instead of
【正确答案】：C
【题目解析】：记住,没啥比读书读得太慢/看书看的太慢更影响注意力了.
根据此句意思是个比较级的句子(语境),所以选C
A:rather than 而不是
B.as well as 和...一样,不但...而且
D.instead of 代替