单选题 I don't think Jim saw me; he ______into space.
A. just stared B. was just staring
C. has just stared D. had just stared

【正确答案】 B
【答案解析】[解析] 过去进行时表示过去某一时间正在进行的动作，句中特定的过去时间是I don't think Jim saw me，故选B。