Find the indefinite integral.

${\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}[\frac{\sqrt[\phantom{2}]{x}+3}{5\sqrt[\phantom{2}]{x}}]dx$

A$.\frac{-3}{10x\sqrt[\phantom{2}]{x}}+C$

B$.\frac{x+6\sqrt[\phantom{2}]{x}}{5}+C$

C$.\frac{2x+3\sqrt[\phantom{2}]{x}}{10}+C$

D$.\frac{-3}{2x\sqrt[\phantom{2}]{x}}+C$