My uncle is very wealthy, but rather parsimonious in his habits.

The correct answer is A, extravagant.

Parsimonious means spending or using money or resources carefully and in a way that avoids waste. An extravagant person spends money or resources carelessly and wastefully.

A generous person is willing to give or spend money or other resources freely and without expecting anything in return. A careless person is not careful or attentive to detail. A strict person is