Tourists were told their sunglass to protect their eyes from the strong sunlight
A. to not take off
B. not to take off
C. not taking off
D. not take off
网友回答
A. to not take off
(答案→)B. not to take off
C. not taking off
D. not take off
解析：考查不定式的否定式和被动语态。固定搭配tell sb to do sth告诉某人做某事；否定式是tell sb not to do sth告诉某人不要做某事；本句是其被动语态的形式：be told not to do sth被告知不要做某事；句意：游客们被告知为了保护眼睛不受伤害，不能摘下墨镜。故B正确。