Question

the call of the wild
by jack london (adapted excerpt)
and this was the manner of dog buck was in the fall of 1897,
when the klondike strike dragged men from all the world into
the frozen north...
thirty days from the time it left dawson, the salt water mail,
with buck and his mates at the fore, arrived at skaguay. they
were in a wretched state, worn out and worn down. bucks one
hundred and forty pounds had dwindled to one hundred and
fifteen. the rest of his mates, though lighter dogs, had relatively
lost more weight than he. pike, the malingerer, was now
limping in earnest. sol-leks was limping, and dub was suffering
from a wrenched shoulder - blade.
they were all terribly footsore. no spring or rebound was left in
them. their feet fell heavily on the trail, jarring their bodies and
doubling the fatigue of a days travel. there was nothing the
matter with them except that they were exhausted. it was not
the dead - tredness that comes through brief and excessive
effort, from which recovery is a matter of hours; but it was the
dead - tiredness that comes through the slow and prolonged
strength drainage of months of toil. there was no power of
recuperation left, no reserve strength to call upon. it had been
all used, the last least bit of it. every muscle, every fibre, every
cell, was tired, dead tired. and there was reason for it. in less

Explanation:

The illustration shows a vast, open landscape with trees in the distance. The excerpt mentions "the frozen North" and the long journey (thirty days from Dawson to Skaguay), which implies a vast area. Option A focuses on distance for living (not emphasized in illustration). Option B: no mention of trees blocking progress in excerpt. Option C: frigid conditions are part of the vast, cold landscape but not the main emphasized description in common. The vast landscape is a common emphasis.

Answer:

D. the vast landscape