有如下程序段:Dim str As String * 10Dim istr1 = "abcdefg"i = 12 len1 = Len(i)sir2 = Right(s

题目

有如下程序段: Dim str As String * 10 Dim i str1 = "abcdefg" i = 12 len1 = Len(i) sir2 = Right(str1, 4)执行后,len1和str2的返回值分别是( )。

A.12,abcd

B.10,bcde

C.2,defg

D.0,cdef

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