-he read interested his younger brother.A.whatever B.No matt

你的答案不对。应该选A。因为引导名词性从句时只能用whatever这个形式,你的句子中含有一个主语从句。又如:Whatever she did was right。凡是她所做的都是正确的。而引导让步状语从句时可以用whatever,也可以用No matter what,如:Whatever/No matter what you may think,I'm going ahead with my plans。不管你怎么想,我都要施行我的计划。