Final answer:
If a patient has built up resentment and needs binaural amplification, they are likely to be unhappy with the fitting due to pre-existing discontent with their hearing situation.
Step-by-step explanation:
If a patient or client has built up resentment and expresses a need for binaural amplification, it implies a level of dissatisfaction with their current hearing situation. Resentment may stem from previous negative experiences with hearing aids or the perception that their hearing needs have been ignored or inadequately addressed. Therefore, the correct answer is B. be unhappy with the fitting. This is because resentment suggests a pre-existing discontent which might color their experience with the new fitting, despite the potential benefits binaural amplification could provide.