Viewers continue to watch TV they plain about the quality of the programming.
A. even though
B. as if
C. as long as
D. unless
网友回答
(答案→)A. even though
B. as if
C. as long as
D. unless
解析：考查连词。even though尽管，即使；as if好像；as long as只要；unless除非。句意：观众继续看电视，尽管他们抱怨节目的质量。