When dealing with an individual in crisis:

A) The clinician must adopt an active approach.
B) Building rapport is not necessary because it slows down the process.
C) Be careful not to undermine the client's self-esteem by offering coping strategies.
D) Avoid talking about the event that led to the crisis.

In crisis intervention, it's crucial for the clinician to adopt an active approach to quickly assess the situation and provide immediate support. Building rapport is essential for effective communication, offering coping strategies can help empower the individual, and discussing the event can be therapeutic and necessary for resolution.