在△ABC中，a，b，c分别为角A，B，C所对的边，ccosA=b，则△ABC (A

在△ABC中，a，b，c分别为角A，B，C所对的边，ccosA=b，则△ABC

(A)一定是锐角三角形 (B)一定是钝角三角形

(C)一定是直角三角形 (D)一定是斜三角形

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在△ABC中，a，b，c分别为角A，B，C所对的边，ccosA=b，则△ABC (A

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