49. One garbage collection algorithm is semispace copying collection. Which of the following characteristics
of garbage collection apply to semispace copying collection?
I. Collects dead objects that reference each other
II. Incurs overhead on every assignment operation to a reference variable
III. Avoids fragmentation
(A) None (B) I and II only (C) I and III only (D) II and III only (E) I, II, and III
