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设\(a = {\left( {\frac{3}{4}} \right)^{\frac{2}{3}}}\)，\(b = {\left( {\frac{2}{3}} \right)^{\frac{3}{4}}}\)，\(c = {\left( {\frac{2}{3}} \right)^{\frac{2}{3}}}\)，则\(a\)，\(b\)，\(c\)的大小关系是
A.\(b < c < a\)
B.\(a < c < b\)
C.\(b < a < c\)
D.\(c < b < a\)
参考答案：A
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