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
True statement: II