The teacher speaks very loudly all the students can hear her.A. so that B. because C. sin

问题补充：

The teacher speaks very loudly all the students can hear her.

A. so that B. because C. since

答案：

解析：句意：老师说的非常大声以至于所有的学生都能听到。A. so that以至于；B. because 因为； C. since自从。故选A。