问题
选择题
—Ye Shiwen got the championship in the women's 400 meter individual medley at London Olympics.
—She fully deserves the title. She ________ for it for years.
A．is preparing
B．was preparing
C．has prepared
D．had been preparing
答案
答案：D
D 考察时态。她完全应该得到冠军，她之前已经为此准备了好几年了。因获得冠军这一倒装发生在过去，而准备的动作发生在过去的过去，故应该使用过去完成时表示动作在过去的某一时间之前就开始，一直延续到这一过去时间。