Question

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

1. A.
   Losing
2. B.
   Having lost
3. C.
   Lost
4. D.
   To

Answer 1

C
解析：
過去分詞有三個用途：（1）表示被動，如：the oppressed people ( =" the" people who are oppressed ) 被壓迫的人們，又如：the exploited class ( =" the" class that is exploited ) 被剝削階級；
（2）表示完成，如：the fallen leaves ( =" the" leaves which have fallen ) 落葉，又如：an escaped prisoner ( =" a" prisoner who hads run out of prison ) 一個逃犯；
（3）表示狀態，如：a broken window ( =" a" window that is broken ) 一扇破窗子，又如：lost in thought陷入沉思。