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设向量组 $\alpha_1, \alpha_2, \alpha_3$ 线性无关,则下列向量组线性无关的是
A. $\alpha_1+\alpha_2, \alpha_2+\alpha_3, \alpha_3-\alpha_1$     B. $\alpha_1+\alpha_2, \alpha_2+\alpha_3, \alpha_1+2 \alpha_2+\alpha_3$     C. $\alpha_1+2 \alpha_2, 2 \alpha_2+3 \alpha_3, 3 \alpha_3+\alpha_1$     D. $\alpha_1+\alpha_2+\alpha_3, 2 \alpha_1-3 \alpha_2+22 \alpha_3, 3 \alpha_1+5 \alpha_2-5 \alpha_3$         
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