Explanation:
I'm going to actually need the text to answer the question
Option B, Down
Mom has to descend the basement stairs.
You can get rid of <em>down</em>, because the word <em>descend</em> means to go down.
I believe the answer is C. motivation.
Brian save the pieces of aluminum from the <span>fuselage to be used by him in his stay in the forest. He could use it to signal airplanes hovering above the forest by finding sunlight. The light that would be reflected with the aluminum can catch the attention of possible airplane flying above him.</span>
The answer should be C. Since it seems like the best choice out of the four.