Differentiate between tenses: He was running vs. He has been running.

A. He was running indicates a completed action; He has been running indicates a past action.

B. He was running indicates a present action; He has been running indicates a future ongoing action.

C. He was running indicates a future action; He has been running indicates a completed action.

D. He was running indicates a past ongoing action; He has been running indicates an action that started in the past and continues to the present.