Answer: (A) Analysis: shows the signal word or sentence, or with whether ... or ... structure, or with either ... or ... structure, whereby the first rule (C), (D) option. either ... or ... is tied conjunction, can not introduce a clause, whether ... or ... is subordinate conjunctions, can introduce a clause, so the correct answer is (A). TEXT: The US government is characterized by early debate whether the federal government or individual states should have greater powers in this issue.
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