设(d/dx)f(x)=g(x),h(x)=x(来学网),则(d/dx)f[h(x)]等于:
  • A.
    g(x(来学网))
  • B.
    (来学网)2xg(x)
  • C.
    x(来学网)g(x)
  • D.
    2xg(x(来学网))