40 points Please help, answer and explain, please. Thank you!
Which expression is arranged by decreasing powers of x for the given polynomial? 6x^2 - 2x^4+4+3x

A. -2x^4+3x+6x^2+4

B.6x^2+4+3x-2x^4

C. -2x^4+6x^2+3x+4

D.4+3x+6x^2-2x^4