Although she had been known as an effective legislator first in the Texas Senate and later in the United States House of Representatives, not until Barbara Jordan’s participation in the hearings on the impeachment of President Richard Nixon in 1974 was she made a nationally recognized figure, as it was televised nationwide.
This is one of the beautiful questions Gmat threw on us to get confused. Though its a very easy question , some folks can get confused , including me . So, sharing my answer explanation .
(A) later in the United States House of Representatives, not until Barbara Jordan’s participation in the hearings on the impeachment of President Richard Nixon in 1974 was she made a nationally recognized figure, as it was
Although she -, not until Barbara Jordan’s participation. Wrong
(B) later in the United States House of Representatives, Barbara Jordan did not become a nationally recognized figure until 1974, when she participated in the hearings on the impeachment of President Richard Nixon, which were
Looks good . but one thing to keep in mind is that 'which' refers back to hearings here, but not Nixon . 90% of the Qs of Gmat have referred 'which' back to nearest subject . So, don't get confused like me
(C) later in the Untied States House of Representatives, it was not until 1974 that Barbara Jordan became a nationally recognized figure, with her participation in the hearings on the impeachment of President Richard Nixon, which was
Same reason as of A
(D) then also later in the United States House of Representatives, not until 1974 did Barbara Jordan become a nationally recognized figure, as she participated in the hearings on the impeachment of President Richard Nixon, being
Same reason as of A
(E) then also later in the United States House of Representatives, Barbara Jordan did not become a nationally recognized figure until 1974, when she participated in the hearings on the impeachment of President Richard Nixon, which was
Here, which cannot refer back to person . So, it should refer back to hearings . So, which is to be followed by were. E is out