Call into question means cause doubt about something. 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: Call into question can refer to a situation involving cause doubt about something.
• Story example: A writer may use Call into question when describing a situation involving cause doubt about something.
• Exam example: When a sentence contains Call into question, choose the meaning “cause doubt about something.”