Which regular expression, inserted at line 12, correctly splits test into "Test A", "Test B", and "Test C"?()
A、 String regex = "";
B、 String regex = " ";
C、 String regex = ".*";
D、 String regex = "//s";
E、 String regex = "//.//s*";
F、 String regex = "//w[/.] +";
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设有如下程序:程序运行后单击命令按钮Command1,输出结果为( )。
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