The researchers reached a significant conclusion _______ climate change is accelerating faster than previously predicted.

5
reading

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

A

conclusion:

B

conclusion,

C

conclusion;

D

conclusion—

Correct Answer: A

Choice A is the best answer. This question tests colon usage for explanation.

  1. Context clues: A complete sentence is followed by the actual conclusion.
  2. Meaning: A colon can introduce what the conclusion IS.
  3. Verify: "The researchers reached a significant conclusion: climate change is accelerating..." correctly introduces.

đź’ˇ Strategy: Use a colon to introduce the content of a formal statement or conclusion.

Choice B is incorrect because a comma creates a comma splice. Choice C is incorrect because a semicolon suggests parallel ideas. Choice D is incorrect because while possible, a colon is more appropriate for conclusions.