試題詳解

48 According to the passage, which of the following factors is NOT the challenge to the research about the jellyfish Turritopsis dohrnii?
(A)The data collected is not enough, and the research is not continuous.
(B)Turritopsis dohrnii are under threat of too many predators.
(C)Turritopsis dohrnii are very delicate and often don’t live long enough.
(D)Turritopsis dohrnii is too large to find the tissues about regeneration.