D. The stones he gave Santiago help the boy to recognize omens, which will help him on his journey to find his Personal Legend.
The meaning of this idiom is that you should never feel hopeless when times get hard or difficult because difficult times always lead to better days. The difficult times are like dark clouds that blocks the sun. When we look at the edges of the cloud more closely, we can see the sun shining there like a silver lining.
Here is a sentence I made, he was indignant at being the object of suspicion
It mostly associates with D. Demand, since compulsion and compulsive behaviors/ or compelling someone to do something requires someone to have a demand for someone or something.
idk if that was confusing but hopefully that helps ;)