The answer is D. Essays usually talk about specific topics.
In the sentence "the new bakery opens <u>in</u> a week" you only have the preposition IN. A prepositional phrase consists of preposition plus a noun, pronoun or gerund working as the object.
So, the prepositional phrase is "in a week", the object of the preposition is "week" (a noun) which is pre-modified by the indefinite article "a".
Answer: you just need to say your opinion.
Explanation: are you against the idea of using controlled fires to protect wild areas? And if it’s yes then say why. And if it’s no then say why.