问题补充:
He lay in bed, with his eyes up at the ceiling and his fingers .
A. looked; crossing
B. looking; crossing
C. looking; crossed
D. looked; crossed
答案:
A. looked; crossing
B. looking; crossing
(答案→)C. looking; crossed
D. looked; crossed
解析:C考查独立主格结构。eyes可以发出动作,fingers不能发出动作,故前空用现在分词;后空用过去分词。