Suppose that a real-valued function f(x) of real numbers satisfies f(x + xy) = f(x) + f(xy) for all real x, y, and that f(2020) = 1. Compute f(2021)

A

$$\frac{2021}{2020}$$

B

$$\frac{2020}{2019}$$

C

1

D

$$\frac{2020}{2021}$$