Find the integral of `4x^3+7x^6+5x^4dx`

Options

A. `(4x^3)/3 +(7x^6)/6 +(5x^4)/4 +C`
B. `x^7 +x^5 +x^4 +C`
C. `(4x^4)/3 +(7x^7)/6 +(5x^5)/4 +C`
D. `12x^2+42x^5+20x^3+C`