The tuna dolphin case was__

(a) a greenpeace campaign to stop american fishers from killing dolphins while harvesting tuna.
(b) a case that ignited protest at the world trade organization meeting in seattle in 1999. protestors dressed as dolphins and harassed trade ministers.
(c) an international lawsuit brought to gatt by central and south american countries against the us for imposing unfair standards for the harvesting of tuna.
(d) an international campaign by the whale and dolphin conservation society to protect dolphins..