Attention on his painting he even didn’t notice me come in.A. fixingB. was fixedC. which

问题补充：

Attention on his painting, he even didn’t notice me come in.

A. fixing

B. was fixed

C. which fixed

D. fixed

答案：

A. fixing

B. was fixed

C. which fixed

(答案→)D. fixed

解析：这是独立主格结构Attention是fix的逻辑主语，它们之间是被动关系，故排除AC；独立主格结构，它不是句子，故排除B，所以选D