|Question 18Verbal

Source Texts

Text
At 3,020 years old, Patriarca da Floresta, a jequitibá-rosa (Cariniana legalis) located in Brazil, is one of the oldest known trees in the world. With over three millennia of climate data in its tree rings, a single tree like this, claims ______ Valerie Trouet, can tell the history of the world.
Which choice completes the text so that it conforms to the conventions of Standard English?
dendrochronologist,
A
dendrochronologist—
B
dendrochronologist:
C
dendrochronologist
D