With his eyes the work attentively, he didn’t know what was happening outside.
A. focusing on
B. focused on
C. fixing on
D. to fix on
网友回答
A. focusing on
(答案→)B. focused on
C. fixing on
D. to fix on
解析：考查with复合结构：句意：因为他的眼睛专注的看着工作，他不知道外面发生了什么。fix on和focus on的区别是，fix/focus one's eyes on,“盯住、把注意力聚焦在...上”因为with引导的伴随状语中，her eyes 做主语，所以用被动语态。选B。