Match the parametric curve or surface with the correct description.
$x = \cos(3\theta), y = \sin(3\theta), z = 7$
$x = 3\cos(\theta), y = 3\sin(\theta), z = 7$
$x = \cos(t), y = \sin(t), z = t$
$x = \cos(7 t), y = \sin(7 t), z = s$
$x = 3\sin(-\theta), y = 3\cos(\theta),z = 7$

A) A curve on the cylinder $x^2 + y^2 = 1$.
B) A curve on the cylinder $x^2 + z^2 = 1$.
C) A curve on the cylinder $x^2 + y^2 = 3^2$.
D) The cylinder $x^2 + y^2 = 1$.
E) A curve on the cylinder $x^2 + z^2 = 3^2$.