토익 중급 Q&A글쓰기목록보기

ch15-31번
why | 2010.07.12 | 조회 1069

The decision to cut back on production was not sudden, _____ was rather the result of several months of research.


 


(A) so (B) which (C) neither (D) but


 


정답이 but 인데요. 왜 which가 안되는지 궁금합니다.

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