Practice GMAT Sentence Correction Question

There are two main issues in this question.

(1) the subject pronoun who in the phrase who many consider a leading contender should be the object pronoun whom since the Attorney is the object (i.e., many [people] is the subject and the Attorney is the one being acted upon or considered).

(2) the sentence should use the idiom both x and y where x and y are parallel such that the sentence is structured as follows: is seen ...both x and y (i.e., both a savvy political maneuver and an abrogation of professional responsibility). The original version improperly states: is both seen...x and y

1. the object pronoun whom should replace the subject pronoun who; the idiom both x and y is not properly used
2. the object pronoun whom replaces the subject pronoun who; the idiom both x and y is properly used
3. the idiom both x and y is not properly used
4. the object pronoun whom should replace the subject pronoun who
5. the phrase whom is seen as a leading contender for a cabinet appointment is improper as there is nobody acting upon the object (represented by the object pronoun whom); the phrase is seen as a leading requires a subject (for the verb is and yet there is no subject, only an object)