Which sentence is written correctly?
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A
Because she was uncertain of her abilities, Renee asked for help.
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B
Because she was uncertain of her abilities; Renee asked for help.
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C
Because she was uncertain of her abilities Renee asked for help.
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D
Because she was, uncertain of her abilities, Renee asked for help.
“Because she was uncertain of her abilities, Renee asked for help.” is written correctly because it properly uses a comma to separate the dependent introductory clause from the independent main clause.
A) Because she was uncertain of her abilities, Renee asked for help.
This sentence correctly applies comma rules for introductory dependent clauses. "Because she was uncertain of her abilities" cannot stand alone as a complete sentence, so it requires a comma before the independent clause "Renee asked for help" to create proper syntactic separation and readability.
B) Because she was uncertain of her abilities; Renee asked for help.
Semicolons connect two independent clauses—not a dependent clause followed by an independent clause. Using a semicolon here creates a punctuation error because the first segment lacks a subject-verb pair capable of standing alone.
C) Because she was uncertain of her abilities Renee asked for help.
Omitting the required comma after an introductory dependent clause creates a run-on effect that impedes readability. Standard grammar rules mandate comma placement after multi-word introductory clauses to signal the transition to the main clause.
D) Because she was, uncertain of her abilities, Renee asked for help.
Commas incorrectly fragment the dependent clause itself. "She was uncertain of her abilities" forms a single cohesive thought that shouldn't be interrupted by commas; doing so creates unnecessary pauses that disrupt syntactic flow and meaning.
Conclusion
Comma placement after introductory dependent clauses follows a consistent grammatical rule: dependent clauses beginning sentences require commas before the independent clause. Only option A applies this rule correctly, creating clear syntactic boundaries without fragmentation or inappropriate punctuation.