成人英语三级考试

【单选题】When I went in, he was lying on the floor ______ at the ceiling.
A. to stare
B. stared
C. was staring
D. staring

网考网参考答案：D
网考网解析：
[考点] 现在分词短语作伴随状语 [解析] staring at the ceiling为现在分词短语作伴随状语。根据题意选D。 查看试题解析出处>>