The central american country where english has historically been the lingua franca, but where spanish is increasing in usage is

a. costa rica.
b. guatemala.
c. jamaica.
d. belize

D. Belize

Explanation:

Belize was formerly British Honduras, a British territory, until 1981. English is spoken by the people and it´s the language of instruction and of the government. Nevertheless, trade and political integration with other, Spanish- speaking countries of Central America, may have boosted the use of Spanish.

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