题目：
Which of the following is a difference between an on-the-run and an off-the-run issue An on- the-run issue:（）
A. is the most recently issued security of that type.
B. tends to sell at a lower price.
C. has a shorter maturity than an off-the-run issue.
答案：
参考答案：A
解析：
An on-the-run issue is the most recently auctioned Treasury issue. An off-the-run issue older issues, when more current issues are brought to market.
