What does the father mean by"the four of us can go for the cost of three"? 正确答案:A
A.
They will take advantage of a promotion where a second person flies for half price.
B.
They will go budget traveling with their backpacks only.
C.
They will go by land, camping and staying in cheap hostels.
D.
Three of them will fly and the fourth one will go by bus.