# Derivative of $\sin^2x$ with respect to $(\log x)^2$ is:
( A ) $\frac{x \sin x \cos x}{\log x}$
( B ) $\frac{2 \sin x \cos x}{(\log x)^2}$
( C ) $x \log x$
( D ) $\frac{\sin^2x}{2 \log x}$