Infection of the respiratory tract, liver, or eye by the pentastomids (tongue worms), Linguatula serrata or Armillifer armillatus, may result from _____.

(a) Consumption of insufficiently cooked meat, primarily from domestic and wild herbivores
(b) Consumption of fruits and vegetables contaminated by human feces
(c) Transmission by a dipteran vector
(d) Cutaneously by person-to-person contact