Which of the following statements is/are true?
1. Faxian's Gaoseng Faxian Zhuan was the earliest first-hand Chinese account of Buddhist sites and practices in India
2. Faxian was only 25 years old at the time of writing the text
3. Faxian's main aim in coming to India was to obtain and take back texts containing monastic rules
Select the correct answer using the code given below :

Options

A. a.1, 2 and 3
B. b.2 only
C. c.1 and 3 only
D. d.3 only