I believe that the Knight would be the obvious answer.
Answer:
C. Searched
Explanation:
"Patiently" discludes any non-methodical search.
"Searched" is the only neutral term.
The answer is who because whom is not really saying what she is wondering
Writing process stage which involves looking through the written draft for problems with minor details like punctuation and capitalization is D. Proofreading.
Proofreading is that stage of writing wherein, after editing the proofreading is done in order to blemish the minor details (before the final print) that may have escaped our attention like punctuation and capitalization.