An association of businesses engaged in both trade and industry is a?

A. co-operative society
B. trade union
C. trust fund
D. chamber of commerce

Correct Answer: Option D

D. chamber of commerce

Explanation

A chamber of commerce (or board of trade) is a form of business network, for example, a local organization of businesses whose goal is to further the interests of businesses. Business owners in towns and cities form these local societies to advocate on behalf of the business community.