Find the Volume of the Solid Generated by Revolving the Region

Multiple Choice

Find the volume of the solid generated by revolving the region about the y-axis.
-The region enclosed by the triangle with vertices $( 0,0 ) , ( 1,0 ) , ( 1,2 )$

A) $\frac { 4 } { 3 } \pi$
B) $4 \pi$
C) $\frac { 2 } { 3 } \pi$
D) $\frac { 1 } { 3 } \pi$