The lines which best depict a contemplative mood is:
A contemplative mood is a type of mood where the lines of a written article has deep thinking mood of the character or the setting where a person is lost in thought.
With this in mind, we can see that option A is talking about the people listening in the shadows for what was never spoken and we can see that this is a contemplative mood.
Therefore, the correct answer is option A
Read more about contemplative mood here:
https://brainly.com/question/2936530