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设\( p:\)实数\( x\)满足\({x^2} - 4ax + 3{a^2} < 0\),其中\( \mathrm{a}\ne 0,q:\)实数\( x\)满足\(\left\{ {\begin{array}{*{20}{l}} {{x^2} - x - 6 \leqslant 0} \\ {{x^2} + 2x - 8 > 0} \end{array}} \right.\),若\( p\)是\( q\)的必要不充分条件,则实数\( a\)的取值可以是( )
A.1
B.\(\frac{3}{2}\)
C.\(\frac{5}{4}\)
D.3
参考答案:BC
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