|Question 23Verbal

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While studying jorō spiders, a large species originally from East Asia, University of Georgia researchers wondered if the spiders' rapid spread throughout the southeastern US was a result of aggressive behavior. ______ they discovered that jorō spiders are gentle giants who react to even minor disturbances by "freezing" in place for an hour or more.
Which choice completes the text with the most logical transition?
Instead,
A
Therefore,
B
For example,
C
In other words,
D