Consider the expression

$$\displaystyle \frac{x}{2 - x}$$

List the letter(s) corresponding to the expressions that are equivalent to the one above.

A. $\displaystyle \frac{-x}{x -2}$

B. $\displaystyle \frac{x}{x - 2}$

C. $\displaystyle \frac{-x}{2 - x}$

D. $\displaystyle \frac{-x}{-2 + x}$

Answer(s): (Separate multiple answers with a comma, if necessary.)