Yang Liwei spent the whole evening talking about the things and persons ________ none of us has ever heard of in CCTV station.
A. which B. who C. whom D. that
Yang Liwei spent the whole evening talking about the things and persons ________ none of us has ever heard of in CCTV station.
A. which B. who C. whom D. that
D
当先行词同时出现人和物时，只能用that指代。