(2013·河北普通高中高三质量监测) I couldn't fully understand what he wanted to show in his paintings, I thought his works were quite impressive.
A. As
B. Since
C. If
D. While
网友回答
A. As
B. Since
C. If
(答案→)D. While
解析：D 考查状语从句。句意：尽管我不能充分理解在他的画里他想要展现什么，但我觉得他的作品给人的印象很深刻。While在此处表示“尽管”，引导让步状语从句。