Security around the hotel was tightened during the pop star's visit; ________, a stranger managed to get in through the bathroom window.Đoạn văn3/29Mark the letter A, B, C, or D on your answer sheet to indicate the best answer to each of the following questions. Security around the hotel was tightened during the pop star's visit; ________, a stranger managed to get in through the bathroom window. furthermore nevertheless otherwise consequentlyGiải thíchB. nevertheless