JACK CAN’T TELL YOU ABOUT THAT SIGHT BECAUSE HE DOESN’T SEE IT.A....

40. Jack can’t tell you about that sight because he doesn’t see it.

A. If Jack saw that sight, he couldn’t tell you about it.

B. If Jack didn’t see that sight, he could tell you about it.

C. If Jack saw that sight, he could tell you about it.

D. If Jack didn’t see that sight, he couldn’t tell you about it.