I just asked my colleague and he said B is wrong.

pyramid (金字塔)
(#306176@0)
2001-12-21 -05:00

回到话题: which is wrong? Dolphins are sleek and< powerful>(A) swimmers <that found>(B) in all seas and unlike porpoises, <have>(c) well defined, beaklike snouts and conical <teeth>(D).

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