Free GMAT Practice Questions

Question 1 of 1
ID: GMAT-SC-3
Section: Verbal Reasoning - Sentence Correction
Topics: Parallelism; Pronoun; Redundancy; Subject Verb Agreement

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The complex behavior of dolphins, which includes recognizing themselves in a mirror and demonstrating advanced language comprehension, helps explain why researchers believe that they have an advanced cognitive ability.

Awhich includes recognizing themselves in a mirror and demonstrating advanced language comprehension, helps explain why researchers believe that they
Bwhich includes recognizing themselves in a mirror and to demonstrate advanced language comprehension, helps explain why researchers believe that it
Cwhich include recognizing themselves in a mirror and demonstrating advanced language comprehension, helps explain researchers' believing that they
Dincluding recognizing themselves in a mirror and to demonstrate advanced language comprehension, help explain researchers' believing that they
Eincluding being able to recognize themselves in a mirror and demonstrating advanced language comprehension, help explain why researchers believe that it

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