The number of students in our school ________.

The number of students in our school ________.
A、increased
B、is increased
C、has increased
D、are increased
【正确答案】:C
【题目解析】:原句:我们学校的学生人数增加了。从过去到现在在增加,并可能持续到将来,因此要使用现在完成时;C 正确