Question

_________ in thought, he almost ran into the car in front of him．

[　　]

A．

Losing

B．

Having

C．

Lost

D．

To lost

Answer 1

答案：C
解析：

“陷入沉思”是be lost in thought，是固定搭配。lost相当于形容词，说明主语的状态，可以直接作状语，省略动词be。类似的结构有(be)dressed in(穿着)，(be)located in(位于)，(be)based on(以……为基础)等。