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Verbal·Standard English Conventions·Boundaries

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At 4,900 years old, Prometheus, a Great Basin bristlecone pine (Pinus longaeva) located in the United States, was one of the oldest known trees in the world. With almost five millennia of climate data in its tree rings, a single tree like this, claims __________ Trouet, can tell the history of the world.

Which choice completes the text so that it conforms to the conventions of Standard English?

A

dendrochronologist,

B

dendrochronologist-

C

dendrochronologist

D

dendrochronologist: