The following questions present a sentence, part of which or all of which is underlined. Beneath the sentence, you will find five ways of phrasing the underlined part. The first of these repeats the original; the other four are different. If you think the original is best, choose the first answer; otherwise choose one of the others.
These questions test correctness and effectiveness of expression. In choosing your answer, follow the requirements of standard written English; that is, pay attention to grammar, choice of words, and sentence construction. Choose the answer that produces the most effective sentence; this answer should be clear and exact, without awkwardness, ambiguity, redundancy, or grammatical error.
The state medical review board is considering a new regulation that physicians practicing in state facilities with past malpractice suits having been filed against them are required to disclose any such suits to prospective patients.（）
A. that physicians practicing in state facilities with past malpractice suits having been filed against them are required to disclose any such suits to prospective patients
B. that requires physicians practicing in state facilities to disclose any past malpractice suits filed against them to prospective patients
C. to require physicians with past malpractice suits filed against them and who practice in state facilities to disclose these to prospective patients
D. for physicians that practice in state facilities requiring them to have disclosed to prospective patients past malpractice suits filed against them
E. requiring physicians who practice in state facilities to disclose to prospective patients any past malpractice suits filed against them