The best answer here is choice B. We can determine this because of the tense used throughout the passage itself. Bearing this in mind, choice B matches the tense perfectly.
Choice A does not work at all because the verb "am" makes no sense in the context of the sentence. The same is true for choice C. The passage is not in present tense, so it cannot be this choice. Choice D could make sense, except that this is in the future tense versus the past tense.
Answer:
Topic sentences are followed by supporting details.
Explanation:
When writing a report, the student can adopt different organizational structures that match more with the text he will write. However, one of the most efficient structures for writing a report is the use of topical phrases followed by supporting details.
This structure is efficient, because it allows the author to establish an argument or an essential statement for the report, with several supporting phrases that prove that the statement or argument is true, in addition to enriching the text and showing that the author has researched and prepared to write it.
Rob Hall was a New Zealand mountaineer best known for being the head guide of 1996 Mount Everest expedition in which he, a fellow guide and two clients perished. there was a film made in 2015 about it.