Cardiopulmonary resuscitation

[gmat740]

201.

Cardiopulmonary resuscitation should begin between one to four minutes after a cardiac arrest in order to be a success.
(A) Cardiopulmonary resuscitation should begin between one to four minutes after a cardiac arrest in order to be a success.
(B) Between one and four minutes after a cardiac arrest, cardiopulmonary resuscitation should begin to be successful.
(C) Successful cardiopulmonary resuscitation should be begun from one to four minutes after a cardiac arrest occurs.
(D) If it is to be successful, a cardiac arrest should be treated with cardiopulmonary resuscitation one to four minutes afterward.
(E) To be successful, cardiopulmonary resuscitation should begin within one to four minutes after a cardiac arrest.


[spoiler]IMO-C
OA-E[/spoiler]

[goelmohit2002]

IMO "E" is better then "C" because of four reasons:

1. instead of from we require within.
2. we do not require "be" after should.
3. Since this is a general truth...so we need present tense and not past tense(begun)
4. Moreover "C" does not convey the sense of probabilty to be successful in a concise manner as "E" does.