Best-selling author and race car driver Han Han offered a 20 million RMB reward to could prove his works were ghostwritten (代笔).
A. no matter who
B. whoever
C. who
D. whomever
网友回答
A. no matter who
(答案→)B. whoever
C. who
D. whomever
解析：考查名词性从句。 whoever既可以引导名词性从句也可以引导让步状语从句。而no matter who只可以引导让步状语从句。此处是to后面的宾语从句，而且从句中缺少的是主语，故应用whoever。