Which two statements are true regarding the creation of a default constructor？（）   

• A、 The default constructor initializes method variables.
• B、 The default constructor invokes the no-parameter constructor of the superclass.
• C、 The default constructor initializes the instance variables declared in the class.
• D、 If a class lacks a no-parameter constructor，， but has other constructors， the compiler creates a default constructor.
• E、 The compiler creates a default constructor only when there are no other constructors for the class.