These plastic flowers look so _____ that many people think they are real,____they sell badly for the finanical crisis.
A.beautiful,and
B.natural;while
C.artificial;though
D.real; so
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B解析考查形容词词义辨析和连词用法。natural自然的，与 “许多人认为它们是真的”相呼应。real与后面的real重复。Sell badly与前面的意思构成转折。