Question as-bio

3.3 Transitions - Cause–effect transitions (therefore, thus)
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As biologist Terrie Williams has documented, deep dives present a challenge for seals and other marine mammals. A seal must exert enough energy to propel itself hundreds of meters downward, while keeping its heart rate low enough that it doesn’t run out of oxygen while underwater. blank a seal moves its flippers as little as possible on a deep dive, gliding to conserve energy.

Which choice completes the text with the most logical transition?

A.

In the first place,

B.

On the other hand,

C.

For this reason,

D.

In comparison,