C). Michael Collins had an important role in Neil and Buzz walking on the moon.
Explanation:
The author's perspective in the given excerpt is that '<u>Michael Collins played a significant role in Neil and Buzz's successful mission to the moon</u>.' It is clearly reflected through the descriptions about the responsibilities of Collins(making 850 computer commands, 700 switches, alarms, computer keys, etc.) that he was a key factor in successful accomplishment of moon mission Thus, <u>option C</u> is the correct answer.
