A. Tell the student not to ask such irrelevant**B. Tell the student that he would give the correct answer later**

C. Give some vague answer and satisfy the student Questions

D. Ask the student to find out the answer himself from books in the library

**B. Tell the student that he would give the correct answer later**

C. Give some vague answer and satisfy the student Questions

D. Ask the student to find out the answer himself from books in the library