【题目】The little boy was watching a late night film at home ________, right in the middle of a thrilling scene, the television went blank.
A. which B. when C. where D. that
在线课程【答案】B
【解析】
试题分析： B考查连词，句意为：吉姆在家看一部午夜电影，看到中间一幕惊险的场景时，屏幕上突然出现一片空白。该句考查be doing...when...结构，意为“正在做……就在这时（突然）……”。