单选题 ______ touching in Henry's stories is the gallantry with which ordinary people struggle to maintain their dignity.
A. Most is B. It mostly is C. Is it most D. What is most

【正确答案】 D
【答案解析】句意：亨利的故事里最打动人心的是普通人努力去维护他们的尊严的勇气。整个句子由what引导的从句做主语。