_____ every year, many people do not hold a high opinion of the CCTV Spring Festival Gala, it has become a somewhat necessary part of the festival.
A. As B. Therefore C. While D. Since
_____ every year, many people do not hold a high opinion of the CCTV Spring Festival Gala, it has become a somewhat necessary part of the festival.
A. As B. Therefore C. While D. Since
C
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