Mark the letter a b c or d to the sentences that best completes each of the following exchanges

mark the letter a b c or d to the sentences that best completes each of the following exchanges
24,"thank you for your birthday gift, i really like it." - " ..."
A. i'm happy you like it.
B. of course, it's valuable.
C. not at all.
D. it's nice of you
25,"why don't you go shopping with me this sunday?"
A. ok. i'll call you soon.
B. it's none of your business.
C. sorry, i have to work overtime.
D. not bad.