Step 1: Classification of Hindu Scriptures. Hindu scriptures are categorized as follows: - Sruti: Divine knowledge "heard" by sages, encompassing the Vedas and Upanishads. - Smriti: "Remembered" texts, including the Mahabharata, Ramayana, and Puranas. Note: Apavarga refers to liberation, and Anvaya refers to logical sequence, neither being primary scripture classifications.
Step 2: Conclusion. The correct selection is 3, comprising categories A, B, and C.
Final Answer: \[ \boxed{\text{The correct answer is 3. A, B and C only.}} \]