Draw the curtain on means bring something to an end. This answer is correct because the expression has a fixed figurative meaning in English. In an SSC idiom question, students should match the whole phrase with its accepted meaning rather than translate each word separately.

• Classroom example: Draw the curtain on can refer to a situation involving bring something to an end.
• Story example: A writer may use Draw the curtain on when describing a situation involving bring something to an end.
• Exam example: When a sentence contains Draw the curtain on, choose the meaning “bring something to an end.”