Mr. Maxwell has noticed that he is gaining weight and has increasing girth. Which of the following would argue for the presence of ascites?

Mr. Maxwell has noticed that he is gaining weight and has increasing girth. Which of the following would argue for the presence of ascites?

A) Bilateral flank tympany
B) Dullness which remains despite change in position
C) Dullness centrally when the patient is supine
D) Tympany which changes location with patient position