问题补充:
The elderly mother sits in the armchair,at the family picture on the wall quietly.
A. staring
B. being stared
C. stared
D. to stare
答案:
(答案→)A. staring
B. being stared
C. stared
D. to stare
解析:考察分词作状语。本句指的动词短语stare at与句子主语the elderly mother构成主动关系,使用现在分词在句中作状语。句意:老妈们坐在椅子上,安静地盯着墙上的全家福看。故A正确。