Which of the followings are involved in secondary activities? A. Iron and steel industry B. Making wool C. Making jewellery D. Wholesale trade Choose the correct answer from the options given below:

A, C and D only B, C and D only A, B and C only A, B and D only

A, B and C only

The correct answer is Option (3) → A, B and C only D. Wholesale trade is under Tertiary Activities.