[单选题]
Plane mirrors produce 9 wodw,f rx,o k3pop)9i5kn) n.r auj0qi e5o2qmages which
A. are always smaller than the actual object.
B. are always larger than the actual object.
C. are always the same size as the actual object.
D. could be smaller, larger, or the same size as the actual object, depending on the placement of the object.
