public class Car {  private int wheelCount；  private String vin；  public Car（String vin） {  this.vin = vin；  this.wheelCount = 4；  }  public String drive（） {  return “zoom-zoom”；  }  public String getInfo（） {  return “VIN： “+ vin + “wheels： “+ wheelCount；  }  }  And：  public class MeGo extends Car {  public MeGo（String vin） {  this.wheelCount = 3；  }  }  What two must the programmer do to correct the compilation errors？（）

A、 insert a call to this（） in the Car constructor

B、 insert a call to this（） in the MeGo constructor

C、 insert a call to super（） in the MeGo constructor

D、 insert a call to super（vin） in the MeGo constructor

E、 change the wheelCount variable in Car to protected

F、 change line 3 in the MeGo class to super.wheelCount = 3；