C. it stays in the moment and is relevant, as the jungles of Vietnam.
A brings it back to the present, which was after everything so it brought down the tone.
B completely gets rid of the morbid darkness
and D there is nothing about needing to remain silent.
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I would go with D, because it seems that there is no answer option you wouldn't use in a presentation. Hopefully this helps
Answer: Union Home Minister Shri Amit Shah
Explanation:
hope this helps