It was a nice meal, a little expensive.A. though B. whether C. as D. since

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(答案→)A. though
B. whether
C. as
D. since
解析： 考查连接词，句意：这是一顿美好的饭菜，然而有点贵。though 副词，然而，可是，whether连词，是否，as作为，since自从，故选A。