In the following code segment, match each with the most appropriate designation: public static void Main() { Mine1 double roomWidth; Mine 2 Displayinstructions(): Mine 3 roomWidth = GetDimensions(); //line 4 Room r1; Mine 5 r1 = new Room(roomWidth); Mine 6 public in line 1 double in line 2 Displayinstructions() in line 3 Main() in line 1 rt in line 5 Room in line 5 Room() in line 6 getDimensions() in line 4 A C# keyword constructor C-class data type E-object F: method