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Option (A): $a>3;a=4\implies le(16-12,1)\implies le(4,1)=4\nless0$,

Option (B): $0<a<3;a=2\implies le(4-6,-1)\implies le(-2,-1)\implies -2<0$ True.

Option (C): $a<0;a=-1\implies le(1+3,-4)\implies le(4,-4)=-4<0$, True

So Option (D) is correct.

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