The answer is c: <span>a research library in Baghdad</span>
Answer: I think the answer is that Tom has lost his faith.
Explanation: It says that he would think bitter thoughts and that it was vain to serve God. Tom also thinks that God had forgotten him.
This character is very coldhearted and not loyal to anyone they will talk behind your back, they are very disrespecting.
It's positive. Superlative would be quickest, and comparative's quicker.