Well here the author says that inner voice of us reveals our feelings, regrets in other words what we live in our life is reflected inside of us. So he gives the example of water .Like our life, it runs quickly and our life also one day will be cut off which means it 'll come to an end. So this sheet of water is one of the pages of our life which is one part of in our long life journey.
The answer is C rhetorical question
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Both the painting and the written description depict a scene where both sides of the conflict seem completely confused as to the real reason for what it turned out to be a deadly confrontation.
The written account elaborates somewhat methodically the actions that led, step by step to the escalation of what originally was nothing but an argument between a soldier or sentry and a robe maker. The perennial curiosity of the nearby masses and the somewhat well established intransigence of law enforcement individuals clashed drastically and led to a tragic result that could've been easily avoided if cooler heads had prevailed. The depiction of the man in charge of the soldiers as a man not fit for the job seems to confirm the fact that a more disciplined superior would've been able to restrain his forces until the situation or issue at stake was clarified among the quarreling parties.
Finally, the painting only depicts the firing of the lined up soldiers against a revolting crowd on the other side but provides no clues as to what was the reason that led to the moment being depicted when the bayonets are being fired at short range in a firing squad like manner.