单项选择题
Given: Which command-line invocations will compile?()
A.javac Mule.java B.javac -source 1.3 Mule.java C.javac -source 1.4 Mule.java D.javac -source 1.5 Mule.java
A.null B.zero C.some D.Compilation fails. E.An exception is thrown at runtime.
A.B B.B, followed by an Exception. C.Compilation fails due to an error on line 9. D.Compilation fails due to an error on line 14. E.An Exception is thrown with no other output.