Answer: I believe it would be letter (b)
Explanation: I had to answer this question yesterday and I am pretty sure this is the answer. Because it asks ¨the narrator gives an example of why oxygen is vital to climbers on Mt. Everest. How does the narrator develop this concept in the rest of the narrative?¨ so this is really the only plausible answer regarding the question.
A. Doesn't Grow
Rice doesn't grow in cold climates.
B and C would not make sense in the sentence above.
Answer is D, to inform audience about steps when preparing for road trip (apex)
There should be A. B C. and D answer choices may i see them