You will be surprised how quickly you _____ the money , so it is worthwhile to make a plan in advance.

A．put away

B．get through

C．run out

D．end up

曲线y=（1／2）x²，x²+y²=8所围成图形的面积（上半平面部分）是：（）

A.A

B.B

C.C

D.D