Match the parametric curve or surface with the correct description.





A) A cylinder parallel to the y-axis with center at .
B) A sphere with radius 2.
C) A torus with major radius 2 and minor radius 2.
D) A helix spiraling around the y axis with radius 2.
E) The curve in the y,z-plane, revolved around the y-axis.
F) A cone parallel to the y-axis.

You can earn partial credit on this problem.