Option D ,
psychological reaction to pain and pleasure...
The details that you SHOULD check are below:
Throat parched, wind-worn and bleary
Tall grasses ripple, brown and reedy,
Wind bites our tents, the darkness pure,
Sunrise, gold as melted crowns, surrounds us
The details that you SHOULD NOT check are below:
Time fades, like mist on the distant mountain
A thermos full of steaming tea,
1. The answer is sophisticated
2. The answer is confusing
3. The answer is past perfect tense?
I am unsure of the last one but that would be my guess