某确定的有限自动机（DFA）的状态转换图如下图所示（0是初态，4是终态），则该DFA能识别（ ）。
- A.aaab
- B.abab
- C.bbba
- D.abba
正确答案及解析
正确答案
解析
B项从0到1然后走不了了，C项在3状态结束，不对；D项也只到1状态。
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