A tutor is needed to help the student in understanding her lessons and in improving her study habits. The tutor does not, however, give the questions to an upcoming exam or do her assignments for her. Hence, the answer is D.
Okay so...
Morbid means to be appealed to death,
Retrospection means a look into the past.
We can infer she avoids Morbid Retrospection due to a rough past that could have caused PTSD (Post Traumatic Stress Disorder). Someone could have died in her past that was close to her.
The appropriate response is this real world. On the off chance that you discuss this real world, you are alluding to the world and life all in all, rather than a specific individual's own particular life, experience, and thoughts, which may appear to be untypical and doubtful.
The subjunctive mood is the best.
The subjunctive is rarely used in colloquial English. Totally irrelevant information, but... it is a relic from Latin, where there are many uses for a subjunctive. There is even a special conditional using the subjunctive mood that expresses the exact circumstances you described, which is usually called future less vivid.
