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执行下列两条语句后,结果s2的值为() string s=“abcdefgh”; string s2=s.Substring(2,3);
- A、 “bc”
- B、 “cd”
- C、 “bcd”
- D、 “cde”
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单选题执行下列两条语句后,结果s2的值为() string s=“abcdefgh”; string s2=s.Substring(2,3);A
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