单项选择题
Given: Which code fragment, inserted at line 23, allows the code to compile?()
A.df = new DateFormat(); B.df = Date.getFormat(); C.df = date.getFormat(); D.df = DateFormat.getFormat(); E.df = DateFormat.getInstance();
A.Canada B.null Canada C.Canada null D.Canada Canada E.Compilation fails due to an error on line 26. F.Compilation fails due to an error on line 29.
A.4 B.5 C.8 D.9