PLZ HELP I'M CONFUSED :( (2 questions)

What is one thing you can do to help remember a new business contact? Write _______ on the back of his or her business card.

A. what the person had for dinner
B. whether you liked the person or not
C. what kind of business the person is in
D. something you said you would do for the person

Joan, a new contact, is describing her business to you. As you listen, what should you be thinking about?

A. How soon to move on to the next person
B. Whether or not she's likely to send you any referrals
C. What you're going to say next
D. What kind of help you can offer her

THANKS IF ANYONE CAN HELP :-)