Only boxes less then 3 1/2 feet wide will fit through a doorway. Which measurements show the widths of three boxes that will each fit through the doorway? 
 Answers:
 A) 36 inches,42 inches,40 inches 
 B) 42 inches,43 inches,38 inches 
 C) 40 inches,37 inches,41 inches 
 D) 38 inches,40 inches,42 inches