Some people claim the rumor that some Egyptians are planning a 100,000 people anti-government protest．
A.to overhear
B.to have overheard
C.having overheard
D.to be overheard
网友回答
B解析这题考查claim to have done“宣称做过什么”，句意是：“一些人宣称偶然听到了谣言说一些埃及人计划一次10万人的反政府抗议”。