Concept:NNPC is an acronym for Nigeria's state-owned oil company.
Explanation:The full meaning of NNPC is the Nigerian National Petroleum Corporation.
It was established in 1977 to manage Nigeria's petroleum resources.
Its responsibilities include exploration, production, refining, distribution, and foreign marketing of crude oil and petroleum products.
Therefore, the correct option is the one that matches this full name.
Answer:Option B: Nigerian National Petroleum Corporation.