Dr. Myers and other researchers hold that ________.[A] people should look for a baselin

Dr. Myers and other researchers hold that ________.

[A] people should look for a baseline that can’t work for a longer time

[B] fisheries should keep the yield below 50% of the biomass

[C] the ocean biomass should restored its original level

[D] people should adjust the fishing baseline to changing situation

请帮忙给出正确答案和分析，谢谢！