15.

　　A. He doesn't know her at all.

　　B. He won't recommend her to the woman.

　　C. He needs to hire her for his son.

　　D. He has asked her to work for him at weekdays.

　　16.

　　A. He will send her a special gift if she buys thedress.

　　B. He will sell her the dress in lower price if she feels insterested.

　　C. He will reserve the dress in her size if she comes again.

　　D. He will give her a discount if she comes earlier next time.