The Environmental Protection Agency would be overburdened by its detection and enforcement duties
if it fully implemented all of its own regulations completely.Analysis:
1.Subject - Environmental Protection Agency - Singular subject
2.
Were / WasEPA would be overburneded only if implements regulations -- In hypothetical situation, we should use Were instead of was.
Lets see the answer choices
(A) if it fully implemented all of its own regulations completely -
IncorrectThis is a hypothetical situation, 'would' be overbudened only if something happens or if company were to do something. 'if it fully implemented' is incorrect. Also fully implemented and completely is redundant.
(B) if it was to implement all of its own regulations completely -
Incorrectwas is incorrect for a hypothetical situation.
(C) were it to fully implement all of its own regulations -
CorrectThis choice correctly uses 'were' and also removed the redundant 'completely'
(D) if it was to implement all of its own regulations -
IncorrectThe usage of 'was' is incorrect
(E) if it is to implement its own regulation fully -
Incorrect'it is to' at the start of the sentence is incorrect
Ans
C