Consider the following statements regarding the discovery and terminology of metals in the transition to the Later Vedic period: 1. The term 'Ayas' in the Rigveda exclusively referred to iron. 2. The terms 'Shyama Ayas' (black metal) and 'Krishna Ayas' in the Atharvaveda and Yajurveda refer to iron, distinguishing it from 'Lohita Ayas' (copper). 3. The widespread use of iron agricultural tools was the sole factor that enabled the clearing of the dense forests of the middle Gangetic plains. Which of the statements given above is/are correct?

Options:

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

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