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Answer: CSet 2: Words in Context (Intermediate)
Explanation
PASSAGE
The theory has been _____ tested and has withstood numerous challenges.
Which choice completes the text with the most logical and precise word or phrase?
A. briefly
B. never
C. extensively✓ Correct
D. poorly
Detailed Answer Explanation
Choice C is the best answer. "Extensively" is correct because it means "to a large extent; widely." The context clues in the passage indicate that this meaning best completes the sentence logically.
Why others are wrong: A ("Briefly" means "for a short time," which doesn't fit the context.), B ("Never" means "at no time," which doesn't fit the context.), D ("Poorly" means "in a bad manner," which doesn't fit the context.).
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