Answer:
C). Michael Collins had an important role in Neil and Buzz walking on the moon.
Step-by-step explanation:
The author's perspective in the given excerpt is that 'Michael Collins played a significant role in Neil and Buzz's successful mission to the moon.' 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, option C is the correct answer.