单项选择题

由y=x2,y=x所围图形绕x轴旋转一周所形成的旋转体的体积为______.
   (A)
   (B)
   (C)
   (D)

A.

B.174.24.96:6088/Latex/latex.action?latex=XGZyYWN7Mn17MTV9XHBpIA%3D%3D'
C.174.24.96:6088/Latex/latex.action?latex=XGZyYWN7Mn17MTV9'
D.174.24.96:6088/Latex/latex.action?latex=XGZyYWN7NX17Nn1ccGkg'
E.174.24.96:6088/Latex/latex.action?latex=XGZyYWN7NX17Nn0%3D'