Consider the following statements:1. The Speaker of the Lok Sabha appoints a Commission under Article 340(I) of the constitution of India to investigate the conditions of backward classes.2. Article 338A of the Constitution of India deals with National Commission for Scheduled Tribes.3. Article 338 of the Constitution of India deals with National Commission for Scheduled Castes.Which of the above statements are correct?

• A. 2 and 3 only
• B. 1 and 3 only
• C. 1 and 2 only
• D. 1, 2 and 3