.
Jenny, your paintings are wonderful. I you learned to paint.
A. hadn’t known
B. didn’t know
C. won’t know
D. haven’t known
网友回答
A. hadn’t known
(答案→)B. didn’t know
C. won’t know
D. haven’t known
解析：考查时态。句意：珍妮，你的绘画真不错啊！我不知道你学会了绘画。结合语境可知下文描述的是过去的动作，故用过去时态。选B。