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
A. to overhear
(答案→)B. to have overheard
C. having overheard
D. to be overheard
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”。