Given a text T, and several options, according to the question posed in the text T to choose the most appropriate option from the options as the answer, please directly output the most appropriate option, do not need to output the explanation.

An at-the-money American call option on a stock that pays no dividends has three months remaining until expiration. The market value of the option will most likely be:
Option A:less than its exercise value.
Option B:equal to its exercise value.
Option C:greater than its exercise value.

Answer: C