GMAT每日一题-语法第五题

        Of all the vast tides of migration that have swept through history, maybe none is more concentrated as the wave that brought 12 million immigrants onto American shores in little more than three decades.

        (A)maybe none is more concentrated as

        (B)it may be that none is more concentrated as

        (C)perhaps it is none that is more concentrated than

        (D)maybe it is none that was more concentrated than

        (E)perhaps none was more concentrated than

        A把more和as搭配，more的意思是更。。。而as是和。。。一样，两个语意之间是冲突的，A干掉。B和A的错误类似，干掉。C和D说的it is对于语意没有任何贡献，加上明显多余，干掉。就剩E读起来还凑合。