(2015•莱芜)下列运算正确的是( )
A:(﹣a2)•a3=﹣a6
B:a6÷a3=a2
C:a2+a3=a5
D:(a3)2=a6
这比山还高比海还深的情谊,我们怎么能忘怀?
—Yes. I can ________ understand what you mean.