SajjadAhmad
To run for an important political office, to manage a large organization, and practicing law effectively all require organizational and problem solving skills.
(A) To run for an important political office, to manage a large organization, and
practicing(B) To run for an important political office and to manage a large organization,
practicing(C) Running for an important political office, managing a large organization and
to practice(D)
To run and manage political offices and large organizations and practicing
(E) Running for an important office, managing a large organization, and practicing
Source: Master GMAT
Correct answer: E
A: Incorrect. Not parallel ("to run ... to manage ..., and practicing")
B: Incorrect. No subject ("To run ..., practicing ... all require). Meaning distortion as "practicing" is used as a modifier for "to run ... and to manage" rather than an additional subject.
C: Not parallel ("running ... managing ... and to practice")
D: Meaning distortion ("to run and manage political offices and large organizations") and not parallel.
E: Correct.