We must ________ to the public the simple fact that drugs are dangerous．

A.get across

B.get away

C.get back

D.get behind

答案及解析： A

我们必须让公众理解毒品是有危险的这样一个简单的事实。get across：让……明白；get away：逃脱，离开；get back：回来；取回；get behind：落后