Concept:The correct word is "compile," which means to gather and arrange information from different sources into one document or list.
Explanation:"Compare" means to examine similarities and differences between things.
"Compose" means to write, create, or form something.
"Compound" means to mix or combine, or to make a situation worse.
"Compile" is specifically used when collecting facts or materials together into a single report, list, or book.
The sentence requires a word that shows gathering information, so "compile" fits best.
Answer:D. compile