For many years, people（）electric cars. However, making them has been more difficult that predicted.

A. had dreamed of

B. have dreamed of

C. dreamed of

D. dream of

以下程序的功能是：输出100以内(不含100)能被3整除且个位数为6的所有整数,请填空。main()(int i,j；for(i=0；【 】；i++) {j=i*10+6；if(【 】)continue；printf("％d",j)；} }