During winter in the Northern Hemisphere, the fast-moving river of air called the polar jet stream often shifts south, bringing cold arctic air to places that are normally warmer. summer brings a northward shift of this jet stream, allowing warmer air to spread across much of North America and Europe.
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Verbal·Expression of Ideas·Transitions
easyWhich choice completes the text with the most logical transition?
A
Indeed,
B
Despite this,
C
Conversely,
D
For instance,