单项选择题
What is the result？（）
A.1 B.2 C.12 D.Compilation fails. E.No output is produced. F.An exception is thrown at runtime.
What is the result？（） A.2B.24C.234D.246E.2346F.Compilat...
A.2 B.24 C.234 D.246 E.2346 F.Compilation fails.
What is the result？（） A.23B.234C.235D.2345E.2357F.Compi...
A.23 B.234 C.235 D.2345 E.2357 F.Compilation fails.
What is the result as follows？（） A.5，6B.5，5C.6，5D.6，6
What is the result as follows？（）
A.5，6 B.5，5 C.6，5 D.6，6
