According to the companies' websites, the number of active QQ users in China has reached 1 bill

题目简介

According to the companies' websites, the number of active QQ users in China has reached 1 bill

题目详情

According to the companies' websites, the number of active QQ users in China has reached 1 billion, while Qihoo 360 also claims ______ at least 300 million users before June 2010.

A. to have
B. to have had
C. having
D. having had
题型:单选题难度:中档来源:0123 期中题

答案

B

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