Question

Which sentence does not contain any punctuation errors? A. My sister sat down, opened the book, and read several pages to us. B. My sister sat down, opened the book and read several pages to us. C. My sister sat down, opened the book, and, read several pages to us. D. My sister sat down opened the book and read several pages to us.

Answer 1

Actually, believe it or not, the answer is A.

I just failed the same test that you are on by following the other answers commented. Take it from me, the person who actually has the answer key.

Answer 2

I believe that it is B.My sister sat down, opened the book and read several pages to us is correct because:
A. and seperate two phrases so you can't put a comma there
B. good!
C. you can't put a comma before and after and becuase it doesn't make sense to me
D. you have to put a comma after down to seperate to phrases