—I'm sorry to interrupt you, but I don't follow you now.
—Sorry, I it clear about my plan.
A. didn't make
B. hadn't make
C. wasn't making
D. haven't made
网友回答
A. didn't make
B. hadn't make
C. wasn't making
(答案→)D. haven't 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。