If $g(f(x))=|\sin x|$ and $f(g(x))=(\sin \sqrt{x})^2$,then
- A$f(x)=\sin ^2 x, g(x)=\sqrt{x}$
- B$f(x)=\sin x, g(x)=|x|$
- C$f(x)=x^2, g(x)=\sin \sqrt{x}$
- D$f(x)=|x|, g(x)=\sin x$
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