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Sentence Correction
INSTRUCTIONS
This question presents 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.
This question tests 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.
Sentence Correction Question 1
Carbon-14 dating reveals that the megalithic monuments in Brittany are nearly 2,000 years as old as any of their supposed Mediterranean predecessors.

EXPLANATION

The first, third and last choice do not state the comparison logically. The expression as old as indicates equality of age, but the sentence indicates that the Brittany monuments predate the Mediterranean monuments by 2,000 years. In the second choice, the best answer, older than makes the point of comparison clear. This choice also correctly uses the adjective supposed, rather than the adverb supposedly used in the fourth and last choices, to modify the noun phrase Mediterranean predecessors.