下列各式中与2/7×8的值不相等的是请选择DCBA,F+Y-M)}8r+m0H2V7~:U,@7m.T'G
A．（2/7+2/7）×42V7~:U,@7m.T'G
B．2/7×6+22V7~:U,@7m.T'G
C．2/7 ×2+2/7×62V7~:U,@7m.T'G
D．2/7×9 -2V7~:U,@7m.T'G