问题补充:
—Im sorry to interrupt you, but I don follow you now.
—Sorry, I it clear about my plan.
A. didn make
B. hadn make
C. wasn making
D. haven made
答案:
A. didn make
B. hadn make
C. wasn making
(答案→)D. haven made
解析:句意:--很抱歉打断你,可是,我现在听不懂你的意思。--抱歉,我没有解释清楚我的计划。到现在为止没能解释清楚,侧重对现在产生的影响,即你没听懂。是现在完成是的典型用法。故D正确。