Which of the following words is closest in meaning to “Sequel”?

Sequel means something that follows; a continuation.

• Correct answer - continuation: it has the same meaning as Sequel.
• alternate: every other one; to take turns - wrong, it does not mean the same as Sequel.
• complicated: hard to understand - wrong, it does not mean the same as Sequel.
• sound with a sharp note: a high, piercing sound - wrong, it does not mean the same as Sequel.