听力原文： Luis Ramirez Ministers worked through the night Saturday before breaking a deadlock that had pitted developing nations against the rich countries and the rich countries against each other. With time running out, the negotiations became frantic and produced an interim agreement to keep moving toward trade liberalization. In the accord, richer nations pledge to make several concessions to the world's least developed countries, especially in agriculture and market access. More than seven thousand activists outside the meeting hall protested that the WTO' s trade rules hurt workers and farmers. The activists began the week declaring they wanted to derail the talks and prevent the delegates from reaching any agreement. Who did the WTO's trade rules hurt according to the activists? A．The activists. B．The delegates. C．The workers and farmers. D．The students.