Given the following six method names：
add Listener
add Mouse Listener
set Mouse Listener
delete Mouse Listener
remove Mouse Listener
register Mouse Listener
How many of these method names follow JavaBean Listener naming rules？（）

A.Mr. John Doe
B.An exception is thrown at runtime.
C.Compilation fails because of an error in line 12.
D.Compilation fails because of an error in line 15.
E.Compilation fails because of an error in line 20.

A.Foo { public int bar（） { return 1； }
B.new Foo { public int bar（） { return 1； }
C.new Foo（） { public int bar（） { return 1； }
D.new class Foo { public int bar（） { return 1； }

A.Compilation fails.
B.ClassC is displayed.
C.The code runs with no output.
D.An exception is thrown at runtime.