Answer:
The most likely about Country B’s economic development is:
C. Country B has a least-developed economy.
Step-by-step explanation:
Taking into account the information given, the GDP of the country B is less than the world average, but its difference is just $500, reason why couldn't say that the country B has a developing economy which is characterized by GDP actually low, other reason of this is that its workforce is in the tertiary-sector jobs, while a country with a developing economy has a big part of his workforce in the primary-sector.