Insert the Missing Code in the Following Code Fragment

Multiple Choice

Insert the missing code in the following code fragment. This fragment is intended to implement a method to assign a value to an instance variable.
Public class Vehicle
{
Private String model;
Private double rpm;
) . .
_______
{
Model = modelName;
}
}

A) public void setModel(String modelName)
B) public void getModel()
C) public String getModel()
D) public String setModel(String modelName)