C.
The reason why is because it's talking about how much would it takes to make charcoal, which is a lot to yield so little charcoal. So, it's negative.
The correct answer is a.: specific.
This structure (this +adj) requires an adjective and the only adjective is in a., the other options are verbs or nouns and are not correct.
Answer: D. The story of a young boy who survived the Holocaust
Explanation:
Answer: D
Explanation: That's what the reading sounds like.
