【题目】 The film star wears sunglasses. ________, he can go shopping without being recognized by fans.
A. Therefore B. However
C. Otherwise D. Besides
在线课程【答案】A
【解析】
试题分析：考查副词。前一分句意为：那个电影明星戴着墨镜；后一分句意为：他去购物就不会被认出。两个分句之间存在因果关系，故选择A，意为所以。选项B意为然而；选项C意为否则；选项D意为除此之外。