This question-specific review guide is tied to the answer reasoning for a PracticeTestVault item. Use it after you answer the question so the review stays focused on what the prompt actually tested.
What this question is testing
Objective: Identify correct punctuation of a sentence
Prompt focus: Choose the sentence that is punctuated correctly.
Why the correct answer works
When the results arrived, the doctor reviewed them carefully
A comma correctly follows the introductory dependent clause when the results arrived before the main clause.
Why the tempting wrong answer fails
The tempting wrong answer usually loses because it skips the key condition, priority, or evidence in the prompt.
Plain-language takeaway
An introductory dependent clause is followed by a comma before the main clause. When the results arrived, is followed by a comma.
Simple analogy
Think of identify correct punctuation of a sentence like following a short checklist: identify the clue, confirm the rule, and then make the move that fits this exact scenario.
How to review it before a retake
- Underline the command word and name what the question is asking before rereading the choices.
- Compare the correct answer against the closest distractor and write the exact detail that separates them.
- Retest this objective with a fresh question without looking at the rationale first.