209. The Senate approved immigration legislation that would grant permanent residency to millions of aliens currently residing here and if employers hired illegal aliens they would be penalized.
(A)if employers hired illegal aliens they would be penalized
(B)hiring illegal aliens would be a penalty for employers
(C)penalize employers who hire illegal aliens
(D)penalizing employers hiring illegal aliens
(E)employers to be penalized for hiring illegal aliens
答案是C,關於og對A有以下的解釋....我看不出如何unclear?
Furthermore, in A the referent of they is unclear @@@