If p, q are statements then $$\sim (p \leftrightarrow q)$$ is equivalent to

A

$$(p \rightarrow q) \vee (q \rightarrow p)$$

B

$$(\sim p \wedge q) \vee (\sim q \wedge p)$$

C

$$(\sim p \wedge \sim q) \vee (p \wedge q)$$

D

$$(\sim p \vee q) \wedge (\sim q \vee p)$$