Assertion (A): Chile continues to be an important producer of copper in the world. Reason (R): Chile is endowed with the world's largest deposits of porphyry copper

• A. Both A and R are true and R is the correct explanation of A.
• B. Both A and R are true but R is not the correct explanation of A.
• C. A is true but R is false.
• D. A is false but R is true.