For the question, choose the word or phrase that best

matches the underlined word.
The fickleness of her children's tastes made it hard to plan
a menu.
(1 point)
inflexibility
frivolity
predictability
inconstancy

The word that best matches the underlined word "fickleness" is:

inconstancy

Fickleness refers to the quality of changing frequently, especially as regards one's loyalties, interests, or affection. Inconstancy is a synonym for fickleness, as it also refers to the tendency to change one's mind or emotions frequently and unpredictably.