题目内容
（请给出正确答案）
[主观题]
How did industrialized nations justify using plants and animals from the developing world
for food and medicine products？
A．They claimed that the plant and animal sources were raw materials that could not be patented.
B．They asserted that the original plant and animal materials were found in their own nations.
C．They paid a large royalty for the use of plants and animals that were not original to their countries.
D．They stated that they had manufactured a higher quality of products than the competition.
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