Answer:
It doesn´t, taken in account the word <em>long.</em>
Explanation:
It seems to me that the question should be formulated like this:
<em>How does this document etc.</em>
Because the either supporting or expanding of the textbook version can´t be measured in time; you either support it or you expand on it.
Answer: B
Explanation: He is an ambitious man and is kinda broken in a way. :)
I am pretty sure that the sentence which contains a misplaced modifier is : Contestants will make it to the final round that answer this question correctly. I choose this one because it doesn't say that it can help to give the answer.
I'm sure you will agree with me,regards!