若向量组(I)$\alpha_1, \alpha_2, \cdots \alpha_r$ 与向量组(II)$\beta_1, \beta_2, \cdots \beta_s$ 等价,则
A
$r=s$
B
$r\left(\alpha_1, \alpha_2, \cdots \alpha_r\right)=r\left(\beta_1, \beta_2, \cdots \beta_s\right)$
C
若向量组(II)线性无关,则 $r < s$
D
若向量组(II)线性相关,则 $r>s$
E
F