Which of the following statements regarding enclosure walls is MOST accurate?

A) The main difference between enclosure walls and partition walls is their fire rating.
B) Depending on the height of the building, enclosure walls are required to have a fire resistance of one to four hours.
C) Fire rated glazing may not be used in conjunction with stair enclosures.
D) Enclosure walls may be constructed of gypsum board with wood studs.

D