607. Researchers at Cornell University have demonstrated that homing pigeons can sense changes in the earth’s magnetic field, see light waves that people cannot see, detect low-frequency sounds from miles away, sense changes in air pressure, and can identify familiar odors.

(A) sense changes in air pressure, and can identify familiar odors
(B) can sense changes in air pressure, and can identify familiar odors
(C) sense changes in air pressure, and identify familiar odors
(D) air pressure changes can be sensed, and familiar odors identified
(E) air pressure changes are sensed, and familiar odors identified

Solution:

Parallelism

C maintains parallelism throughout –
“honing pigeons can sense…, see…, detect…, sense…,and identify”
Hence, C is the best choice.
None of the rest four choices is parallel.

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