题目

 Mo Yan’s novel Frogs into many languages since it came out in 2009.       A. was translated                   B. has translated        C. has been translated           D. translated 答案：C右图是某几何体的三视图，其中正视图是正方形，侧视图是矩形，俯视图是半径为2的半圆，则该几何体的表面积等于（       ）A． B．24π C．　　　 D．12π