PLEASE SPEAK QUIETLY IN THE LIBRARY AREA. STUDENTS ARE STUDYING NEARBY.Đoạn văn51/70Mark the letter A, B, C or D on your answer sheet to indicate the meaning of the notice in each of the following questions PLEASE SPEAK QUIETLY IN THE LIBRARY AREA. STUDENTS ARE STUDYING NEARBY. You can only stay here if you are studying.You should try not to disturb students.You are not allowed to speak here.You are allowed to talk loudly here.Giải thíchB. You should try not to disturb students.