HE DOESN’T KNOW HOW TO PREPARE FOR A PRESENTATION. HE DOESN’T FEEL...

39. He doesn’t know how to prepare for a presentation. He doesn’t feel confident.

A. If he didn’t know how to prepare for a presentation, he would feel confident.

B. If he knew how to prepare for a presentation, he wouldn’t feel confident.

C. If he knew how to prepare for a presentation, he will feel confident.

D. If he knew how to prepare for a presentation, he would feel confident.