I DON'T KNOW HER PHONE NUMBER, SO I CAN'T CALL HER.A. YOU DIDN'T...

42. I don't know her phone number, so I can't call her.

A. You didn't give me her phone number, and I didn't call her. B. I haven't called her although I know her number.

C. I'll look up her phone number and I call her. D. If I knew her phone number, I'd call her.