Among the following, the converse of $$p \rightarrow (q \rightarrow r)$$ is equivalent to

A

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

B

$$\sin r \vee (p \wedge q)$$

C

$$(r \rightarrow q) \rightarrow p$$

D

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