The word "consensus" (Line 9, Para. 4) probably means ________.

A．there was no great adverse effect of human activities upon ocean ecosystems
B．no other human activities but navigation caused marine pollution
C．maritime countries still favored the freedom to fish in the open-seas
D．the lack of technology for further exploitation partly prevented marine pollution

A．The establishment of extensive fishery zones is harmful to ecosystem management.
B．Reassessment of solutions to pollution problems will bring sustainable fishery resources to individual nations.
C．International community's unwillingness to shoulder responsibility contributes to the control over pollution.
D．international standards need to be set to affect ocean ecosystems.