Answer:
The correct answer is option B. "taking exams".
Step-by-step explanation:
Discovering information, improving learning and developing skills are three major goals of education. On the other hand, taking exams is not a major goal of education but a convenient tool to evaluate how a much a student has learned in a course or if someone is prepared to enter a course. Taking exams is only one step in education, while discovering information, improving learning and developing skills are useful and remain for life.