When feeding, aquatic birds known as phalaropes

options A,B and D are out of scope options
option C is actually weakening the argument
correct answer - E

Premise: When feeding, aquatic birds known as phalaropes often spin rapidly on the water’s surface, pecking for food during each revolution.
Premise: To execute these spins, phalaropes kick one leg harder than the other.
Premise: This action creates upwelling currents.
Conclusion: Because plankton on which phalaropes feed typically occurs in greater quantities well below the surface, it is hypothesized that by spinning phalaropes gain access to food that would otherwise be beyond their reach.

Which of the following, if true, most strongly supports the hypothesis?
Question Type: Strength
Prephase: Kicking related to spinning related to food.

A. Phalaropes rarely feed while on land.
B. A given phalarope spins exclusively either to the right or to the left.
C. Phalaropes sometimes spin when they are not feeding.
D. Different phalaropes spin at somewhat different rates.
E. Phalaropes do not usually spin when food is abundant at the surface. - As highlighted in the passage if food is readily available at shallow depths, the need for the birds to spin does not arise.

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