Given a Series 1, 5, 19, 81, ?
Find what number would come next
I. 405
II. 411
III. 400
IV. 395
Question: 以下哪项是正确的？
Options:
A. 非 III, B. III 或 I, C. II 或 III, D. 仅 IV, E. 仅 III
Answer: A, C