已知 2+log2x=3+log3y=5+log5z2 + {\log }_{2}x = 3 + {\log }_{3}y = 5 + {\log }_{5}z2+log2x=3+log3y=5+log5z ,则 x,y,zx,y,zx,y,z 的大小关系不可能是( )A. x>y>zx > y > zx>y>z B. x>z>yx > z > yx>z>yC. y>x>zy > x > zy>x>z D. y>z>xy > z > xy>z>x