The Trader Who Holds the Long Position in a Futures

The trader who holds the long position in a futures contract:

A) must settle it by buying the contract item on the settlement date
B) has sold the futures contract
C) can closeout their position any time prior to the settlement date by taking an offsetting short position
D) has a contractual obligation to sell the contract item on the settlement date
E) can only closed-out the position early with the agreement of the contract's seller.