Which three statements are true？（）

• A、 The default constructor initializes method variables.
• B、 The default constructor has the same access as its class.
• C、 The default constructor invoked the no-arg constructor of the superclass.
• D、 If a class lacks a no-arg constructor， the compiler always creates a default constructor. 
• E、 The compiler creates a default constructor only when there are no other constructors for the class.