Select the sentence that is punctuated correctly.
Harriet couldn’t study for her comma quiz, because she was asked to open the door for the neighbor, whom the dog wouldn’t leave alone in the backyard.
Harriet couldn’t study for her comma quiz because she was asked to open the door for the neighbor, whom the dog wouldn’t leave alone in the backyard.
Harriet couldn’t study for her comma quiz, because she was asked to open the door for the neighbor whom the dog wouldn’t leave alone in the backyard.
And you think it's ... ?
Harriet couldn’t study for her comma quiz because she was asked to open the door for the neighbor, whom the dog wouldn’t leave alone in the backyard.
To determine which sentence is punctuated correctly, we need to examine the use of punctuation marks. In this case, we have a sentence that includes a dependent clause and an independent clause. The dependent clause is "Harriet couldn’t study for her comma quiz" and the independent clause is "because she was asked to open the door for the neighbor, whom the dog wouldn’t leave alone in the backyard."
When a dependent clause is followed by an independent clause, it is important to separate them with a comma.
Looking at the provided options:
1. Harriet couldn’t study for her comma quiz, because she was asked to open the door for the neighbor, whom the dog wouldn’t leave alone in the backyard.
2. Harriet couldn’t study for her comma quiz because she was asked to open the door for the neighbor, whom the dog wouldn’t leave alone in the backyard.
3. Harriet couldn’t study for her comma quiz, because she was asked to open the door for the neighbor whom the dog wouldn’t leave alone in the backyard.
Option 1 is punctuated correctly because it includes a comma to separate the dependent and independent clauses.
Option 2 does not include a comma before "because," which is incorrect. It should be "Harriet couldn’t study for her comma quiz, because she was asked to open the door for the neighbor, whom the dog wouldn’t leave alone in the backyard."
Option 3 places the comma after "quiz" instead of before "because," which is incorrect. It should be "Harriet couldn’t study for her comma quiz, because she was asked to open the door for the neighbor, whom the dog wouldn’t leave alone in the backyard."
Therefore, the correct answer is: Harriet couldn’t study for her comma quiz, because she was asked to open the door for the neighbor, whom the dog wouldn’t leave alone in the backyard.