16．已知函数f(x)={−2x,(−1⩽x⩽0)x,(0<x⩽1)f(x)=\left\{{\left.\begin{array}{l}{-2x,({-1\leqslant x\leqslant 0})}\\ {\sqrt{x},({0<x\leqslant 1})}\end{array}\right.}\right.f(x)={−2x,(−1⩽x⩽0)x,(0<x⩽1)，则下列图象正确的是((( )))