Which of the following are true about End-Text questions? A. Encourage learners to explain concepts in their own words and debating on issues. B. Project work, compare and contrast are types of end-text questions. C. Expands on the learners' understanding of concepts and relate with what has been taught earlier. Choose the correct option:

End-text questions in social science textbooks serve multiple pedagogical purposes. They encourage learners to articulate concepts in their own words and engage in debate on issues (A), which develops critical thinking and communication skills. Project work, compare and contrast exercises are indeed common formats of end-text questions (B). Such questions also expand learners' understanding of concepts by linking them to what has been taught earlier in the chapter (C). All three statements correctly describe the purpose and nature of end-text questions in NCERT social science textbooks.