|Question 23Verbal

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Text
In a 2005 study by Mellado et al., the researchers determined the ratio of three different plant subtypes within the diet of sheep: graminoids, forbs, and browse.        the researchers determined the relative quantities of the plants the animal consumed.
Which choice completes the text with the most logical transition?
By contrast,
A
Next,
B
In addition,
C
That is,
D