The speaker means that B. <span>Even when they were tired and had doubts, they remained faithful.
The "voices singing in [their] ears" were themselves, thinking of the doubts they have. </span>
From the painting, one can see that the conclusion that can be drawn is: The image of wounded men in a makeshift clinic suggests the chaos of war.
<h3>What is conclusion?</h3>
Conclusion refers to the statement that is briefly written to buttress on the main points made earlier. It is also seen as a summary.
Thus, the conclusion one can draw from the painting is: The image of wounded men in a makeshift clinic suggests the chaos of war.
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Trespassing or Intruding would be the answer.