Alliteration because tehy all start with the same M sound! Not 100% sure tho
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.
I personally am fasinated by many Shakespearen quotes from midsummer nights dream: "And dares not answer nay;-- for, indeed, who would set his wit to so foolish
a bird?".