As we advanced, the scenes became more dreadful. The heat of the day increased, and the road became heavy with deep sand. The dead animals seemed to become at every step of the way more numerous. They lay so thick on the ground that the carcasses, if placed together, would have reached across many miles of that desert. The stench arising was continuous and terrible.
What is the mood of this excerpt?
A. Tired
B. Grammatical
C. Frustrating
D. Horrifying