I’m pretty sure it’s C. I know some teachers make you write an explanation so you could say that it combines both sentences and still keeps the details! I hope this helps!
We don't know exactly where the story of Hatchet takes place because Brian is very, very lost. Here's what we do know: Brian's plane comes down somewhere in the North Woods, a vast area that covers much of central Canada<span>.</span>
The answer is D. You have to keep the verb tenses the same as well as active/passive voice. For 'A', you have active voice/passive voice. For 'B' and 'C', the verb tenses are not the same (b is present tense/past tense and c is past tense and past perfect tense). 'D' can be the only correct answer in following grammar rules.
Both <span>Technician A and B are correct</span>