元素在自然界里分布不均匀，从地壳含量的多少分析，最丰富的金属元素是 请选择DCBA3E)X*h/v3p9y5H7y2E+|-~8y+v4f,W2X
A．Fe/v3p9y5H7y2E+|-~8y+v4f,W2X
B．Si/v3p9y5H7y2E+|-~8y+v4f,W2X
C．O/v3p9y5H7y2E+|-~8y+v4f,W2X
D．Al/v3p9y5H7y2E+|-~8y+v4f,W2X