The writer has underlined key words to help the reader. The reader doesn't know, either. The pronoun it has an unclear referent. We get a sense that the reader doesn't have an answer, or is using the writing to develop, rather than present, an answer. Instructors tend to evaluate writing based on quality, not quantity.
Time constraints can be the student's ally.
That means slightly over 15 minutes per question. Also, that the instructor can't expect too much writing per question. That means that I need to write . . . . Use key words. The quality of the writing.