B is ok.
seems OG problem. its been long time, actually sice joining the Gmat Club, that i really have not focused on OG problems.
(A) out of scope
(B) make sense. if there is no legall and accepted methods exist to do so, then it ruling doesnot work. it creats problem i detecting 90% chance of heart attack.
(D) Employee's awareness doesnot matter. if there is a method calculating 90% chance of having heart attack, then it doesot hiders the judge's rulling to be effective.
(E) irrelavat and out of scope.