The correct answer is D. With or together
Step-by-step explanation:
A prefix precedes words and adds a specific meaning to them; for example, the prefix -pre means before and adds meaning in the word "preheat" that means heating beforehand. In the case of the prefix com-, the main meaning of it is with or together. This can be seen in the word "combination" that refers to putting two or more elements/things together or in the word or in the word "community" that refers to people living together. According to this, the prefix com- means with or together.