单项选择题

Funds deposited to meet a margin call are termed:

A.<TABLE border=0 cellSpacing=0 cellPadding=0 width="90%"><TBODY><TR><TD vAlign=top>A. daily margin. </TD></TR></TBODY></TABLE>
B.<TABLE border=0 cellSpacing=0 cellPadding=0 width="90%"><TBODY><TR><TD vAlign=top>B. loan payments </TD></TR></TBODY></TABLE>
C.<TABLE border=0 cellSpacing=0 cellPadding=0 width="90%"><TBODY><TR><TD vAlign=top>C. variation margin.</TD></TR></TBODY></TABLE>