On the example below, should we use "are native to" that is para// to "were introduced" or " are natives of" ?
I have a difficulty to distinguish between "native to" as verb and " a native of" as an adj. Both seem to be correct idioms
Bufo marinus toads, fierce predators that will eat frogs, lizards, and even small birds,
are native to South America but were introduced into Florida during the 1930s in an attempt to control pests in the states vast sugarcane fields.A. are native to South America but were introduced into Florida during the 1930s in an attempt to control
B. are native in South America but were introduced into Florida during the 1930s as attempts to control
C. are natives of South America but were introduced into Florida during the 1930s in an attempt at controlling
D. had been native to South America but were introduced to Florida during the 1930s as an attempt at controlling
E. had been natives of South America but were introduced to Florida during the 1930s as attempts at controlling