In Italy, there are about 17 mosquito species and six genera. Mosquitoes there are associated with every type of water body and include species with narrow and broad environmental requirements. They can be grouped according to oviposition site (water or land), overwintering stage (egg, larva or female), preferred host (mammals, birds or amphibians) and number of generations per year (one or many).

Question: Genera is a plural word meaning a class of things.
Options:
A. true, B. false, C. uncertain
Answer: "A"