MIKE TURNED OFF THE LIGHT, THEN HE WENT TO BED.A. BEFORE MIKE WENT...

38. Mike turned off the light, then he went to bed.

A. Before Mike went to bed, he had turned off the light.

B. Before Mike turned off the light, he had gone to bed.

C. After Mike had gone to bed, he turned off the light.

D. Mike turned off the light as soon as he had gone to bed.