– There are 60 students in my class and 45 of them use weibo very often.– 45? That means a

问题补充：

– There are 60 students in my class and 45 of them use weibo very often.

– 45? That means aboutof your classmates are weibo users, right?

A. half B. two thirds C. three quarters

答案：

解析：分数的表达法。根据第一句可知是60个学生总有45个使用微博，那么应该是四分之三，用three quarters表达即可，故C正确。