Mashaal Masha
A recent study tracked the number of bee species present in twenty-seven New York apple orchards over a ten-year period. ________ found that when wild growth near an orchard was cleared, the number of different bee species visiting the orchard decreased.

Which choice completes the text so that it conforms to the conventions of Standard English?
Difficulty: Hard
A: 

Entomologist Heather Grab:

B: 

Entomologist, Heather Grab,

C: 

Entomologist Heather Grab

D: 

Entomologist Heather Grab,

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