Questions: Effective communication with customers involves using a normal volume and tone continually recommending different products and services changing tones to improve understanding extensive probing

The answer is A: using a normal volume and tone.

Explanation for each option:

A. Using a normal volume and tone: This is correct because effective communication often requires maintaining a clear and consistent tone and volume. This helps ensure that the message is conveyed accurately and that the customer feels comfortable and respected during the interaction.

B. Continually recommending different products and services: This is incorrect because while suggesting products and services can be part of customer service, doing so continually can overwhelm or annoy the customer, detracting from effective communication.

C. Changing tones to improve understanding: This is incorrect because frequently changing tones can confuse the customer and may come across as unprofessional. Consistency in tone is generally more effective in communication.

D. Extensive probing: This is incorrect because while asking questions can be useful to understand customer needs, extensive probing can make customers feel uncomfortable or pressured, which can hinder effective communication.