Um I think you swapped B and C around but it would be COMPONENTS OF A HOUSE. A house has many things in it and need to have certain things in it to stand up. Like in some cases there needs to be support. In others it can support itself.
Based on that passage, I'd say the young man is active because he's jogging, and friendly he smiled in encouragement to elderly men. Nothing in the passage indicates that he is either intelligent or snobbish.
Answer:
It means that “Allah” provides for his people so that when one falls into trouble, the solution is easy to find.
Explanation: