試題詳解

34. According to the passage, which of the following statements is true?
(A) Not all species of jellyfish have the ability to live forever.
(B) Jellyfish stings are the leading cause of death for swimmers.
(C) The majority of jellyfish species have a toxin that can kill cancer cells.
(D) The transdifferentiation process usually happens when jellyfish are laying eggs.