B. Flashback. They are talking about a past date which means its definitely a flashback.
Answer:
The poet most likely includes this allusion to help show that books were a source of comfort and imagination for the speaker.
Explanation:
C-Delighted at the broken pieces.
What book needs to be read i maybe can help
A line could be considered as a complete sentence if it both contains subject, verbs or predicate that make the whole idea in the line complete.
A Doctor (subject) + has Invented (verb) + a New Surgical Tool
So the line above could be considered as a complete sentence.