"You have the answers in the back of the book," he said, "so you should check every answer."

A.The period belongs outside of the quotation marks.
B. (So) should be capitalized.
C. Delete the comma after the word book.
D. No revision is necessary.
Im guessing that my answer would be D ^^;

Yes, D.

ok thank you, sorry to bother you ^^;

No bother at all! :-)

You're welcome!

To determine the correct answer, let's break down the sentence and analyze the options:

"You have the answers in the back of the book," he said, "so you should check every answer."

The given sentence is a dialogue, and it consists of two parts. The first part is the statement, "You have the answers in the back of the book," he said. The second part is a continuation of the dialogue, "so you should check every answer."

Now let's analyze each option:

A. The period belongs outside of the quotation marks.
In American English, periods generally belong inside the quotation marks when they are part of the quoted material. However, in this case, the period at the end of the sentence is not part of the quoted dialogue. Therefore, the correct placement of the period is outside the quotation marks. So option A is correct.

B. (So) should be capitalized.
The word "so" in this sentence is not the beginning of a new sentence or a proper noun, so it does not need to be capitalized. Therefore, option B is unnecessary.

C. Delete the comma after the word book.
The comma after the word "book" is being used to separate the two parts of the dialogue. It is called a reporting clause, which identifies who is speaking and how they're saying it. Therefore, the comma is necessary for clarity and correct punctuation. So option C is incorrect.

D. No revision is necessary.
This option suggests that no errors are present in the given sentence. Before jumping to conclusions, let's review the analysis so far:

- Option A is correct; the period should be placed outside the quotation marks.
- Option B is unnecessary because "so" does not need to be capitalized.
- Option C is incorrect; the comma after the word "book" is necessary.

Based on the analysis, it's clear that the sentence requires a revision. Therefore, option D is incorrect.

In conclusion, the correct answer is A. The period belongs outside of the quotation marks.