答案是C。1.How much money do the speakers have in all?A$18.B.$28.C.$38.2.What is the probable relationship between the speakers?A.Father and daughter.B.Customer and salesman.C.Librarian and borrower.3.When will the speakers get there for the concert?B.At 7:00 pm.C.At 7:30 pm.A.At 6:00 pm.