2级
单选题It is hard to explain what a painter is saying，because__________．
参考答案：C进入在线模考
见第二段第一句：What visual artists like painters want to teach is easy to make out but difficult to explain，because painters translate their experiences into shapes and colors，not words．(因为画家将他们的经历／阅历转化成图形和颜色，但不是文字；因此他们想要 讲授的东西描绘出来很容易，解释起来却很困难)；因此C为答案。
