Why is the case of the pollen-sprayed milkweed ci

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Why is the case of the pollen-sprayed milkweed cited in Paragraph 6?

A. It is cited to show GM foods can kill insects effectively.

B. It is cited to show GM foods contain more protein.

C. It is cited to show GM foods also have a dark side.

D. It is cited to show GM foods may harm crops.

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