If dog='cat', cat='lion', lion='rat', which lives in forest?
I. Rat
II. Lion
III. Dog
IV. Cat

Question: 以下哪项是正确的？
Options:
A. 仅 III, B. III 或 II, C. 非 IV, D. I 或 III, E. 仅 II
Answer: C
D
True statement: I