The plane 2x-3y+6z-11=0 makes an angle $\sin^{-1}(\alpha)$ with x-axis.The value of $\alpha$ is equal to

Question

$$(A)\;\frac{3}{2}\qquad(B)\;\frac{\sqrt 2}{3}\qquad(C)\;\frac{2}{7}\qquad(D)\;\frac{3}{7}$$