I DON'T KNOW HER PHONE NUMBER, SO I CAN'T CALL HER. A. I LOOK UP...
38. I don't know her phone number, so I can't call her. A. I look up her phone number and I can call her. B. I don't know her phone number, but I call her. C. I can't call her because I don't know her phone number. D. I know her phone number but I can't call her.