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WE:Business Development (Energy and Utilities)
Re: The comprehensive bill, signed into law by the president
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07 Sep 2017, 18:15
Explanation
The bill is described as comprehensive and has 249 new regulations on a single industry, so something like full of would make sense in the blank. Both deficient in and unencumbered by are nearly the opposite of what you’re looking for, so eliminate choices (C) and (D).
Neither elucidated by, which means clarified by, nor exempted from makes sense in the blank, so eliminate choices (A) and (F). Both rife with and replete with mean full of, so choices (B) and (E) give you appropriate, equivalent sentences.
Hence options B and E is correct!