The first experiment failed to produce conclusive results _______ the second experiment, using revised methods, succeeded.

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

A

results, the

B

results; the

C

results: the

D

results—the

Correct Answer: B

Choice B is the best answer. This question tests semicolon usage between related independent clauses.

  1. Context clues: Two independent clauses show contrast (failed vs. succeeded).
  2. Meaning: A semicolon joins closely related independent clauses.
  3. Verify: "The first experiment failed to produce conclusive results; the second experiment... succeeded" correctly links the contrasting clauses.

đź’ˇ Strategy: Use a semicolon to join closely related or contrasting independent clauses.

Choice A is incorrect because a comma creates a comma splice. Choice C is incorrect because a colon typically introduces explanation, not contrast. Choice D is incorrect because a dash suggests more dramatic interruption.