Concept:The expression "at the crossroads" is an idiom meaning a critical point requiring a major choice.
Explanation:A crossroads is a place where a road divides into different directions.
When someone is at such a point, he must choose which path to follow.
In life, this refers to a moment when he has to make a very important decision.
That decision will likely have far-reaching consequences for his future.
Hence, the phrase does not mean going back, reconciling, or focusing only on studies.
It clearly suggests the need to choose a direction and commit to it.
Answer:A. make a very important decision