Answer:
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The answer is C because the other options are like opinions and C is a fact not an opinion.
First question: A; Second question: C
Mount Everest is not a person, so whom and who cannot be used.
The phrase that the blank spot is in needs a transition word to flow correctly. 'that' does not flow, as it would make this phrase grammatically incorrect.
The answer is B. which.
The answer should be C because the last sentence was talking about how bad things happen in TV shows, so there should be an example of it.