问题补充:
―What are you doing, Jack?
―I’m looking for some information about famous peoplecan help me make a poster. .
A. who
B. what
C. whom
D. that
答案:
A. who
B. what
C. whom
(答案→)D. that
解析:who谁;what什么;whom谁,宾格;that那个。本句中先行词为下文从句逻辑主语,指为前面整句话内容,故引导词用that,故选D。