Question 9: Which of the following is not an active way of engaging project stakeholders?
A.) Conducting project status meetings
B.) Sending project reports by email
C.) Making phone calls to the stakeholders
D.) Having coffee with stakeholders for no reason
Correct answer is B
I put D as the answer
D.) Incorrect. This direct, informal communication is an integral part of networking, an important
skill, which is a tool and technique in the Manage Stakeholder Engagement process.
Reference: A Guide to the Project Management Body of Knowledge, (PMBOK® Guide) – Sixth
Edition, Project Management Institute Inc., 2017, Page(s) 523, 524, 377

Isn't D far fetched?
I don't see a bunch of stakeholders going for coffees with a PM just for the sake of it.