单项选择题

M: I’d like to buy the pen and the pencil set. It’s 29 dollars, and I only have 14 dollars.
W: I can lend you some money. Let’s see, how much do you need

How much does the man need to borrow to buy the pen and the pencil set()

A. SIS.
B. $14.
C. $19.
D. $15.