The queen demonstrated her vanity because vanity means <span>excessive pride in or admiration of one's own appearance or achievements.
:D (Sorry for being late)</span>
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.
Another Answer: My cheek had grown pale with study and my person had become emaciated with confinement) your welcome