To make the students understand the problem the teacher tried to explain it but the expla

问题补充：

To make the students understand the problem the teacher tried to explain it, but the explanation just did not to the class．

A. get through

B. get around

C. get down

D. get across

答案：

A. get through

B. get around

C. get down

(答案→)D. get across

解析：get across to sb. 意为“使……理解”。