The initial test results were promising _______ further analysis revealed significant methodological issues.

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

A

promising, however

B

promising however,

C

promising: however,

D

promising; however,

Correct Answer: D

Choice D is the best answer. This question tests punctuation with "however" as a conjunctive adverb.

  1. Context clues: Two independent clauses are connected by "however."
  2. Meaning: Use semicolon before and comma after "however" when it joins independent clauses.
  3. Verify: "The initial test results were promising; however, further analysis revealed..." is correctly punctuated.

💡 Strategy: When "however" joins independent clauses, use semicolon + however + comma.

Choice A is incorrect because a comma before "however" creates a comma splice. Choice B is incorrect because it lacks proper punctuation before "however." Choice C is incorrect because a colon doesn't precede conjunctive adverbs.