|Question 22Verbal

Source Texts

Text
When ordering the branches of the Yukon River system, cartographers tend to begin with the riverway's lowest point, the Yukon River. ________ hydrologists begin at the top of the river system, with the Iditarod River and other tributaries fed by the riverway's source, Alaska's Llewellyn Glacier.
Which choice completes the text with the most logical transition?
In a similar way,
A
By contrast,
B
For example,
C
In other words,
D