The Chinese traveller Yuan Chwang (Hiuen Tsang) who visited India recorded the general conditions and culture of India at that time. In this context, which of the following statements is/are correct?1. The roads and river-routes were completely immune from robbery.2. As regards punishment for offences, ordeals by fire, water and poison were the instruments for determining the innocence or guilt of a person.3. The tradesmen had to pay duties at ferries and barrier stationsSelect the correct answer using the codes given below.

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