Some students ________ school due to financial difficulties.

Some students ________ school due to financial difficulties.
A、dropped on to
B、dropped in at
C、dropped out of
D、dropped off from
【正确答案】：C
【题目解析】：这句话的意思是：一些学生因为经济问题辍学了。固定搭配：drop out of school辍学，故选C。