If X and Y are two random variables such that their expectations exist and $$P(X \leq Y) = 1$$, then which of the following opctons is true?

A

$$E(X) \geq E(Y)$$

B

The expectation E(X) and E(Y) cannot be compared

C

$$E(X) \leq E(Y)$$

D

E(X) = E(Y)