on the portrait mother was deep in thought.A. Fixed her eyesB. Her eyes are fixedC. Her

问题补充：

on the portrait, mother was deep in thought.

A. Fixed her eyes

B. Her eyes are fixed

C. Her eyes fixing

D. With her eyes fixed

答案：

A. Fixed her eyes

B. Her eyes are fixed

C. Her eyes fixing

(答案→)D. With her eyes fixed

解析：复合结构。With + 名词 + 过去分词短语，表示伴随。