You'll never work it out by that method; you are ________ altogether
A.keeping track of
B.off the track
C.on the track of
D.around the track
网友回答
B解析考查固定短语．句意是：用那种方法你永远也解不出的，你全部做错了．keep track of保持联系；off the track想法或作法不对；on the track of未离题的；around the track围绕．