11年后他成为了一名成功的飞行员。的翻译：After 11 years, he had become a successful pilot. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

11 years later he became a successful pilot.

After 11 years, he had become a successful pilot.

After 11 years he has become a successful pilot.

After 11 years he had become a successful pilot.

After 11 years, he had become a successful pilot.