问题 更新时间2023/4/3 12:59:00 [单选题,3.3分] When I entered the room, I saw him _____ in a front seat staring at a picture in a strange way.A.to sitB.is sittingC.satD.sitting 答案 登录 注册 参考答案:D 出自:联大 >> 安阳师范学院—大学英语