Reading Comprehension (RC) | Re: Exactly when in the early modern era Native Americans began exchanging

Can anyone explain the question 5 which is
It can be inferred from the passage that the author would agree with which of the following statements about the fur trade between Native Americans and Europeans in the early modern era?
A.This trade may have begun as early as the 1480s.
B.This trade probably did not continue much beyond the 1530s.
C.This trade was most likely at its peak in the mid-1520s.
D.This trade probably did not begin prior to 1500.
E.There is no written evidence of this trade