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.

Which of the following statements relating to commercial paper is most accurate?
Option A:There is no secondary market for trading commercial paper.
Option B:Only the strongest, highly rated companies issue commercial paper.
Option C:Commercial paper is a source of interim financing for long-term projects.

Answer: C