How does the author unfold the idea that Echigo is a remote place?

First, she __________________.
A: describes Echigo as having a climate most tourists do not associate with Japan
B: states that foreigners often refer to Echigo as a land of sunshine and cherry blossoms
C: explains how laborers need to be hired in Echigo to cut tunnels through the snow
D: states that villagers in Echigo have to work together to prepare for the long winters

Then, she __________________.
A: directly states that Echigo is shut off from the rest of Japan
B: describes how the citizens of Echigo had limited resources
C: gives examples of classic literature that comes from Echigo
D: reveals the sort of housing that people in Echigo build