(d) Commodity
Commodity derivatives market trade contracts for which the underlying asset is commodity, such as agricultural goods (wheat, cotton) or precious metals (gold, silver).
Source: What is Commodity Derivatives Market?, Chapter 5
This is a direct definition-based MCQ. The passage explicitly states "commodity derivatives market trade contracts for which the underlying asset is commodity." The other options (interest, currency, stock) are underlying assets for financial derivatives, not commodity derivatives. Always remember this distinction for exam purposes.