How does the author's use of words like "undertaking," "challenge," and "venture" affect the tone of the passage?
A.
They create a tone of wonder by highlighting the accomplishments of past explorers
B.
They create a judgmental tone by detailing the competition that results from exploration,
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C.
They create a weary tone by focusing on the hardships faced by past explorers
D.
They create a tone of encouragement by emphasizing the rewards that result from exploration