After a _______ delay, the construction project finally resumed with renewed vigor.

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Which choice completes the text so that it conforms to the conventions of Standard English?

A

three months'

B

three month's

C

three months

D

three-months'

Correct Answer: A

Choice A is the best answer. This question tests apostrophe usage with plural time expressions.

  1. Context clues: The delay lasted "three months"—plural possessive.
  2. Meaning: Time expressions use possessive apostrophes (one day's work, two weeks' vacation).
  3. Verify: "A three months' delay" correctly shows plural possession for a time expression.

💡 Strategy: Use possessive form for time expressions: singular = 's (day's), plural = s' (months').

Choice B is incorrect because "month's" is singular, but "three" indicates plural. Choice C is incorrect because time expressions functioning as adjectives need possessive apostrophes. Choice D is incorrect because the hyphen is unnecessary and "months'" doesn't need modification.