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.

To the holder of a long position, it is more desirable to own a forward contract than a futures contract when interest rates and futures prices are:
Option A:negatively correlated.
Option B:uncorrelated.
Option C:positively correlated.

Answer: A