Identify the correct match between the animal (flatworm, earthworm, roundworm) and its body cavity type (acoelomate, coelomate, pseudocoelomate).
(a) Roundworm–Pseudocoelomate; Earthworm–Acoelomate; Flatworm–Coelomate
(b) Roundworm–Acoelomate; Earthworm–Coelomate; Flatworm–Acoelomate
(c) Roundworm–Pseudocoelomate; Earthworm–Coelomate; Flatworm–Acoelomate
(d) Roundworm–Coelomate; Earthworm–Pseudocoelomate; Flatworm–Acoelomate