选择题 Smoking is not allowed in this laboratory _______it would cause afire.
【正确答案】 D
【答案解析】短语辨析。结合句意:这个实验室不允许吸烟，以免引起火灾。So that以便,所以；such that如此…以致；no matter that无论什么；for fear that生怕,唯恐,以免,以防万一。