In Reference to the Futures Market, a "Speculator

Multiple Choice

In reference to the futures market, a "speculator"

A) attempts to profit from a change in the futures price.
B) wants to avoid price variation by locking in a purchase price of the underlying asset through a long position in the futures contract or a sales price through a short position in the futures contract.
C) stands ready to buy or sell contracts in unlimited quantity.
D) both b and c