Final answer:
The feature 'Customer Support' should be selected for 'Phone Representatives'. 'Holiday' should be selected for 'New Year's Day'. 'Operating Time' should be selected for 'Business Hours'.
Step-by-step explanation:
For the parameter 'Phone Representatives', the feature to select would be 'Customer Support' as phone representatives typically handle customer inquiries and provide assistance.
For the parameter 'New Year's Day', the feature to select would be 'Holiday' as it is a specific day of the year that is widely recognized and observed as a holiday.
For the parameter 'Business Hours', the feature to select would be 'Operating Time' as it refers to the hours during which a business is open and available for customers.