Nhận biết (M1)

In a widely cited paper, ecologist Suzanne Simard argued that trees in a forest are not merely competitors but participants in a cooperative network, sharing carbon and nutrients through underground fungal connections. Many biologists initially found the claim ______, but subsequent experiments tracing the movement of nutrients between trees have lent it considerable support.

Which choice completes the text with the most logical and precise word or phrase?

• A.

  redundant

• B.

  implausible

• C.

  indispensable

• D.

  derivative