Consider This Method Comment

Consider this method comment. Which of the following options is recommended in your textbook?
/**
Computes the area of a cuboid.
@param width the width of the cuboid
@return the area of the cuboid
*/
Public static double area(double width, double height,
Double length)
{
Double result = width * height * length;
Return result;
}

A) The parameter "width" need not be described.
B) The first line of the comment should be omitted because it is obvious.
C) All of the parameters should be described.
D) The @return clause of the comment should be omitted because it is obvious.