Which one of the following statements is a tautology?

A

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

B

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

C

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

D

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