A Cylindrical Solid Shape Is Shortened to Save Space in the Drawing

Multiple Choice

A cylindrical solid shape is shortened to save space in the drawing. Which of the following is (are) true?

A) The cylinder must have a constant shape throughout the entire length and cylindrical break lines are used.
B) A short, thick, slightly irregular break line is drawn to show that the cylinder has been shortened.
C) A jagged, thick, very irregular break line is drawn to show that the cylinder has been shortened.
D) both a and b
E) none of the above