题目：
The daily process of adjusting the margin in a futures account is called:
A．
| A. initial margin. |
B．
| B. variation margin. |
C．
| C. marking to market. |
答案：
参考答案：C
解析：The process is called marking to market. Variation margin is the funds that must be deposited when marking to market draws the margin balance below the maintenance margin.
