|Question 10Verbal

Source Texts

Text
Visually distinguishing the common raven (Corvus corax) from the Chihuahuan raven (Corvus cryptoleucus) can confound even seasoned bird watchers. [Blank] the two species share similarities that at times-make the birds appear virtually identical. Size, though, remains a differentiating feature: the common raven tends to be larger.
Which choice completes the text with the most logical transition?
Instead,
A
Moreover,
B
Indeed,
C
Thus,
D