I believe the answer you are looking for would be the second answer choice, "We read Shakespeare's tragedy, <em>Othello</em>, after reading two of his comedies."
This is because when information already speaking of something mentioned, is referred to to clarify a subject, it must be separated by commas. (that's how I remember)
ex: My mother, the queen, is placing a new law down to make everyone have equal rights.
ex: Today I went to Ms. Green's, the principal's, office.
D. "his sister, who had taken a sales job, learned shorthand and French in the evenings so that she might be able to get a better position later on"
Answer:
Every year, students elect Student Council Representatives through a democratic election procedure. Participation in school decision-making, management of student representation at all levels, submission of ideas to the school, completion of the plan, and achievement of the plan are what make them effective.
Explanation:
