The Line Integral $\int$ C $3 x d x + 2 x y d y + d z$

Multiple Choice

The line integral $\int$ C $3 x d x + 2 x y d y + d z$ where C is the curve is

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