问题
单项选择题
The initial margin is the:（）
A. minimum amount of funds that must be supplied when purchasing a security on margin.
B. amount of liquidity that must be maintained in a margin account.
C. amount of cash that an investor must maintain in his/her margin account.
答案
参考答案：A
解析：
Margin is the amount of equity in the account at a given time. Initial margin is the amount of equity required initially to execute an order.