試題詳解

31. According to the passage, which of the following orders shows the lifecycle of the immortal jellyfish?
(A) Medusae → polyps → larvae → medusae.
(B) Larvae → polyps → medusae → polyps.
(C) Polyps → larvae→ medusae→ polyps.
(D) Larvae → medusae→ polyps → larvae.