$\text { Find the value of the line integral }$

Multiple Choice

$\text { Find the value of the line integral }$$\int_{C} y^{3} d x+3 x y^{2} d y$ (Hint: If $\mathbf { F } ( x , y ) = y ^ { 3 } \mathbf { i } + 3 x y ^ { 2 } \mathbf { j }$ is conservative, the integration may be easier on an alternate path.)

A) 243
B) 192
C) 108
D) 0
E) 12