Which sentence does not contain any errors in punctuation or capitalization?
a."why do some people put a little line through their 7s"? she wondered.
b."why do some people put a little line through their 7s? " she wondered.
c."why do some people put a little line through their 7s" she wondered?
d."why do some people put a little line through their 7s? she wondered."

D. Becasue the qoutation mark is in the wrong place

"B" has no errors because the quotation marks are correctly placed - right before the speaker talks and right after they're finished talking. "A" is wrong since the question mark is after the quotation. Like I said ^ you don't put the quotation marks before the ending punctuation. Don't do this: "Hi", ONLY do that when quoting someone's quote or some words from a book. I hope this helped and I tried to do as much explaining as I could :) P.S. You might want to put an apostrophe after the "7" in "7s" so it's like "7's". I'm not sure.