in thought he almost ran into the car in front of him. A. LosingB. Having lostC. LostD.

问题补充：

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

A. Losing

B. Having lost

C. Lost

D. To lose

答案：

A. Losing

B. Having lost

(答案→)C. Lost

D. To lose

解析：此题为省略句。Lost in thought 相当于Because he was lost in thought。短语be lost in 表状态，表示“陷入……”。故选C。