Final answer:
The phrase 'Lipson is to Portugal as ___________ is to Cameroon' is correctly completed by 'B) Douala' since Douala is to Cameroon as Lisbon is to Portugal, both being major economic hubs in their respective countries.
Step-by-step explanation:
When comparing Lipson to Portugal, we must look for a corresponding city of significance in Cameroon. The correct answer to the phrase 'Lipson is to Portugal as ___________ is to Cameroon' is B) Douala.
Lisbon (not Lipson, which seems to be a typographical error) is a major city and a central hub in Portugal, famous for its economic, cultural, and political importance. Similarly, Douala is the largest city in Cameroon and serves as the economic capital of the country. Therefore, Douala is to Cameroon what Lisbon is to Portugal in terms of being a vital, influential city within the nation.