问题补充：
--How long did your father work in the car factory?
--.
A. Every year
B. In 2002
C. Many years ago
D. For three years
答案：
A. Every year
B. In 2002
C. Many years ago
(答案→)D. For three years
解析：Every year每年; In 2002爱;Many years ago许多年前;For three years三年.句意:你的父亲在这个汽车厂工作多长时间了?结合语境可知选D.
