Who?
<span>What was who doing when he got quite?</span>
Due to the fact that I have not read this book i would not be able to accurately answer this question however, I can offer a suggestion and that would be B.
Answer:
https://www.chabad.org/library/article_cdo/aid/281619/jewish/The-Monument-Matzeivah.htm
Explanation:
This link provide the info and more! hope this helps:)
The second one because the abbreviation (NKA) is the thing needed in parentheses after the whole title is spelled out