A President entering the final two years of a second term is likely to be at a severe disadvantage and is often unable to carry out a legislative program.

(A) likely to be at a severe disadvantage and is often unable to
------ disadvantage parallels with entering. the IS after AND parallels with the IS after ... a second term ......

(B) likely severely disadvantaged and often unable to
------ the word does not parallel with entering. entering = infinitive. disadvantaged = past.

(C) liable to be severely disadvantaged and cannot often
------ changes the meaning. liable = responsible. the president is not responsible.

(D) liable that he or she is at a severe disadvantage and cannot often
------ changes the meaning. liable = responsible. the president is not responsible.

(E) at a severe disadvantage, often likely to be unable that he or she can
------ suggests a definitive, whereas the actual sentence is "likely"


I hope that helps!

any one else?

gmat_perfect wrote:any one else?

Which choice is confusing you,

B
disadvantaged : changed meaning.
disadvantaged means : marked by deprivation especially of the necessities of life or healthful environmental influences

C , D, : changed meaning with liable
E: wordy, changed meaning

more explanation :

https://www.beatthegmat.com/a-president- ... 60561.html