已知 f(x)=log2(1+4−x)+xf\left( x\right) = {\log }_{2}\left( {1 + {4}^{-x}}\right) + xf(x)=log2(1+4−x)+x ,则满足 f(2m−3)<f(m)f\left( {{2m} - 3}\right) < f\left( m\right)f(2m−3)<f(m) 的实数 mmm 的取值范围为( )A. (1,3)\left( {1,3}\right)(1,3)B. (32,3)\left( {\frac{3}{2},3}\right)(23,3) C. (−∞,3)\left( {-\infty ,3}\right)(−∞,3) D. (3,+∞)\left( {3, + \infty }\right)(3,+∞)