Answer:
they realize they have more challenges to face than they originally thought and it may be harder to complete
Explanation:
To explain some of the obstacles she faces.
The process of determining what to study is especially very important because the prepared mindset of a person is necessary in undertaking a new endeavor in life especially when it is about studies. It is important that you should choose course that fits your capability or the one which you like doing the most in order to bring out the best in you.
The correct answer is Subjunctive.
The English subjunctive form is used when giving advice or when presenting situations that are not parts of reality or are not objective facts.