What's the definition of dominican republican?

Dominican Republic. A country of the West Indies on the eastern part of the island of Hispaniola. Originally inhabited by Arawaks, it was claimed for Spain by Christopher Columbus in 1492 and remained a Spanish colony until 1795, when it was ceded to France.
The correct term for people who reside in the Dominican Republic is "Dominican"

The answer is c, i, iii, and iv. this is because farming and mining deal with harvesting raw materials, construction work falls under manufacturing, and piloting a plane is a service. ii is wrong because making bread is using  raw materials to produce goods, which would fall under the secondary sector, not primary.