Answer:
B
Explanation:
If he can explain something which is very complex, in simple terms, he would be able to be more clear and concise. I am unsure of the context of what he is writing- but I hope this helps!
The answer is A
.... .. / -- -.-- / -. .- -- . / .. ... /
I would say tense and uncomfortable because "it was undoubtedly hot" "he began to sweat" "began to throb in his ears" the sweat and heat makes it very uncomfortable also, the rumbling and throbbing sound makes it tense.
hope this helps :D