Final answer:
Speculating about case outcomes with a client is not considered good practice in law as it can lead to misunderstandings and unrealistic expectations.
Step-by-step explanation:
When discussing the case with the client, the option that is not considered good practice is c. Speculating about the outcomes. It is crucial for legal professionals to maintain a realistic and professional standpoint without giving clients unfounded expectations. Confidentiality is fundamental to the attorney-client relationship, accurate information is a foundation of trust, and ensuring the client's understanding is key to their decision-making process. However, speculating on outcomes can give rise to misunderstandings, and unrealistic expectations, and could undermine the professional relationship between attorney and client.