JEE Math Practice Question

Which of the following is a tautology ?

1. A.$$\left( { \sim p} \right) \wedge \left( {p \vee q} \right) \to q$$
2. B.$$\left( {q \to p} \right) \vee \sim \left( {p \to q} \right)$$
3. C.$$\left( {p \to q} \right) \wedge \left( {q \to p} \right)$$
4. D.$$\left( { \sim q} \right) \vee \left( {p \wedge q} \right) \to q$$