It would be D to show the passage of time from childhood to adulthood. Hope this helps
The answer to "For which of these is a montage most likely to be used?" The answer would be.
"A. to show an argument between a husband and wife."
"B. to show a conversation between two college friends."
"C. to show a dramatic court sequence."
"D. to show the passage of time from childhood to adulthood."