The correct answer is A) It was a period of rapid economic and social transformation. Hope this helps.
The decline of Buddhism has been attributed to various factors, especially the regionalisation of India after the end of the Gupta Empire (320–650 CE), which led to the loss of patronage and donations as Indian dynasties turned to the services of Hindu Brahmins.
Which of these settlements was best known for cash crop farming?
{Jamestown} or Which area was settled mostly by entire families?
{Plymouth} they are both in the same question