On the ground_____.A.lied an old man B.is lying an old man C.lay an old man D.an old man is lying求详解（最好把每个选项都解释一下）
问题描述：
On the ground_____.A.lied an old man B.is lying an old man C.lay an old man D.an old man is lying
求详解（最好把每个选项都解释一下）
答