问题
单项选择题
All the credit card organizations charge interest on a monthly basis which may______as 25 per cent a year, yet judicious purchasing using a card can mean that you obtain up to seven weeks interest-free credit.
A．come up
B．account for
C．add up
D．work out
答案
参考答案：D
解析：work out“解决；算出；制定出”；come up“被提出”；account for“说明(原因)”；add up“合计”。题句意为：“所有发行信用卡的机构将按月收取利息，年利率可达25%；然而只要你明智地使用信用卡购物，便能享受长达7个星期的无息贷款。”