How much will you be charged if your family (a couple and three children) go on a Special Sunday ticket trip

A．We can enjoy all the attractions of the county by bus.
B．Day Ranger tickets can offer you unlimited bus travel across the county every day.
C．We may be able to visit some scenic spots at a fairly low price.
D．We need to buy our tickets anytime we get on the bus.

A．Because they are wealthy.
B．Because they are stronger.
C．Because they have more spare time.
D．Because they are better educated.