Using Cylindrical Coordinates, the Volume of the Solid Bounded By x

Multiple Choice

Using cylindrical coordinates, the volume of the solid bounded by $x ^ { 2 } + y ^ { 2 } = 4 y , x ^ { 2 } + y ^ { 2 } = 4 z$ and z = 0 is

A) $9 \pi$
B) $8 \pi$
C) $6 \pi$
D) $\frac { \pi } { 2 }$
E) $\frac { 3 \pi } { 2 }$