51 Peggy: Do you know if there’s an_________ to get into the museum?

John: Yes, it’s $15 for adults and $10 for students.
(A)audio earphone
(B)admission fee
(C)service charge
(D)registration cost

佩吉：你知道進博物館要________嗎？約翰：是的，成人15美元，學生10美元。