46. What is the passage mainly about?
(A) How scientists investigate nanoplastics in sea scallops.
(B) Why ocean pollution has become more serious than ever.
(C) Why people should not eat sea scallops for their own safety.
(D) How people can protect the marine environment by becoming vegetarians..
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統計: A(37), B(28), C(17), D(8), E(0) #2064185
統計: A(37), B(28), C(17), D(8), E(0) #2064185