Mark the letter A, B, C, or D on your answer sheet to indicate the best arrangement of utterances or sentences to make a meaningful exchange or text in each of the following questions from 13 to 17.

a. Throughout the past two years, I have been deeply immersed in the fulfilling vocation of teaching English, where I facilitate students in refining their linguistic capabilities and bolstering their self-assurance.
b. My enduring passion for education and personal advancement has driven me to pursue a career dedicated to teaching.
c. In summation, the profession of teaching epitomizes a profoundly gratifying pursuit that aligns impeccably with my ambitions and fervent interests.
d. While the challenges of managing a classroom can be formidable, the profound satisfaction derived from observing my students' progress renders all efforts worthwhile.
e. Teaching not only affords me the privilege of disseminating knowledge but also grants me the invaluable opportunity to glean insights from my students.