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考虑下面的文法G[S]:    S→AB    A→a    A→BaB    B→bbA    下列叙述中不正确的是(27)。

  • A.由文法生成的每一个串的长度是偶数
  • B.由文法生成的串中没有一个串含有奇数个连续的b
  • C.由文法生成的串中没有一个串含有4个连续的b
  • D.由文法生成的每一个串中b的个数等于a的个数
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