【题目】Thomas, a junior middle school student, plans to go hiking in the mountain with his father, mother and his 65-year-old grandparents this May Day. According to the price listed, they need to pay ________ yuan for the tickets.
The Price of the Tickets | |||
Adult (aged 65 and above) | Adult (aged under 65) | Child (aged 6-17) | Child (aged under 6) |
30 | 40 | 20 | Free |
A.130B.160C.140