Suppose A and B are n x n invertible matrices, where n > 1, and I is the n x n identity matrix. If A and B are similar matrices, which of the following statements must be true?	I. A - 2I and B - 2I are similar matrices. II. A and B have the same trace.	 III. A^-1 and B^-1 are similar matrices.
(A)I only (B)II only (C)III only (D)I, II, and III
D