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$f$ and $g$ cannot be determined
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