Effect: A large number people prefer platinum ornaments to gold ornaments. Which of the following can be a possible cause for the above effect?

• A. The price of gold ornaments has increased significantly.
• B. The price of platinum ornaments decrease significantly.
• C. The difference in the prices of gold and platinum ornament became very narrow and wearing platinum ornaments has become a fashion now.
• D. Platinum is a very costly metal
• E. None of these.