First i believe its a "figure of speech".
Second they use this to say "it wont be easy but it is possible."
Answer:
The sconce refers to the wall lights, this is light fixtures that appear on the wall, and provide lighting. They can be located inside and outside of the buildings, although their function is mainly decorative. The light goes upwards and the sconce also can hold a candle or a torch. It is mostly made of silver or brass.
Answer:
because sometimes they tell us things that we didn't know things that are in the past but just when the stories are real.
Answer:
B (the one you selected)
Explanation:
A is not right since many stories use more than one theme, especially in arcs.
C is not right since the subject is what the story is about, which can not line up with the theme.
D is not right because most real world examples do not do this.