女性，35岁，因双胫前反复疼痛性红斑结节2月余就诊。患者有慢性扁桃体炎病史20余年。组织病理提示真皮深层血管周围呈慢性炎症浸润。最可能的诊断是（）

A.变应性皮肤血管炎

B.结节性红斑

C.皮肤结节性血管炎

D.结节性多动脉炎

E.变应性肉芽肿

—What’re you doing, Jack?

—I’m looking for some information about famous people ______ I need to make a poster.

A．who

B．what

C．whom

D．which