请教一道英语阅读理解题Family Railcard For £20 this railcard allows you
请教一道英语阅读理解题 Family Railcard For £20 this railcard allows you to take a second adult(成人)and up to 4 children for only £3 each when you buy single or return tickets. You can travel as often as you like until the card becomes out of date. A man bought himself a ticket for £15 and three tickets for his family with a family railcard. How much did he pay? A.£44 B.£29 C.£24 D.£15