Which of the following is NOT mentioned in the passage？A．Butterflies in profusion tell us

Which of the following is NOT mentioned in the passage？

A．Butterflies in profusion tell us that all is well with nature.

B．Butterfly species" declining indicates that other wild lives will face extinction.

C．The butterflies" situation tells us the relationship between nature and human being.

D．The butterflies survey makes public aware of the importance of butterflies.

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