66.下列何種寄生在魚鰓之蟲體,其頭部有四顆眼點?
(A)Clinostonum complanatum
(B)Centrocestus formosanus
(C)Piscicola sp.
(D)Dactylogyrus sp.
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統計: A(192), B(546), C(234), D(1834), E(0) #1839574
統計: A(192), B(546), C(234), D(1834), E(0) #1839574