Bysayingthesefiguresareconservative(Line1,paragraph3),Dr.Wormmeansthat________.
[A]fishingtechnologyhasimprovedrapidly
[B]thencatch-sizesareactuallysmallerthenrecorded
[C]themarinebiomasshassufferedagreaterloss
[D]thedatacollectedsofarareoutofdate
正确答案:C


