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 related to secondary bond markets is most accurate?
Option A:Newly issued corporate bonds are issued in secondary bond markets.
Option B:Secondary bond markets are where bonds are traded between investors.
Option C:The major participants in secondary bond markets globally are retail investors.

Answer: B