幻方的种类与构造中有,九子斜排、上下对易、左右相更和四维挺出。下列是左右相更的是( )
①
<img src=http://60.205.157.60/course/a@03A317C11098CA896E25FB04BC0FC9FC.png title=A.png alt=A.png/>
②
<img src=http://60.205.157.60/course/a@B7A2E1F9FA6146F776A89C62BF03D09A.png title=B.png alt=B.png/>
③
<img src=http://60.205.157.60/course/a@E0EDCAD91A52DD0AF2ACF17C77529E24.png title=C.png alt=C.png/>
④
<img src=http://60.205.157.60/course/a@0D1DC63A14E0B5910127D512AF64BEBB.png title=D.png alt=D.png/>