I'll give brainiest! Please answer!

Herodotus said “The Nile, when it floods, spreads over not only the Delta but parts of what are called Libya and Arabia for two days’ journey in either direction, more or less. . . .This that I have mentioned was the subject of my persistent asking why, and also why it is that it is the only river that has no breezes blowing from it.”
—Herodotus, The History, 2.19

How far could one walk before finding the end of the Nile’s flood?
a.
two miles
c.
two leagues
b.
two weeks’ journey
d.
two days’ journey