GMAT Sentence Correction (SC) | Re: Jerrod was advised by his lawyer that he should have better told the t

This is a very good meaning based practice question. Leaving aside the three filler choices namely B, C, and D, which do not merit much discussion, the real contention is between A and E, both of which you may note are grammatically correct.
The core sense of the topic is that a professional lawyer is advising and warning his client that Jerrod should tell the truth now or he (Jerrod) could go to jail. He cannot stand for the lawyer since there is no meaning in advising Jerrod when the lawyer
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