Which of the following shows 8x^3y+x^2-14z-2+5y^2x written in standard form?

A. -14z+8x^3y+5y^2x
B. 8x^3y+5y^2x-14z-2
C. 8x^3y+x^2-14z-2
D. X^2-2-14z+5y^2x+8x^2y