He lay on his back, his teeth set, his right hand clenched on his breast and his glaring eyes (looking )straight upward.
问题描述:
He lay on his back, his teeth set, his right hand clenched on his breast and his glaring eyes (looking )straight upward.
为什么括号里用现在分词?求解释!
谢谢
答
是表状态的.