Final answer:
The meaning of 'comes up' in the given conversation is 'To come to attention'.
Step-by-step explanation:
The meaning of 'comes up' in the given conversation is B) To come to attention. In the context provided, 'let me know if anything else comes up during the project' means that if anything else arises or becomes noteworthy during the project, the person should inform the speaker. It does not refer to meeting by accident, finishing something on time, or being at a place on time.