What is the total number of regional/sectional championships won by Xavier since 1973?

The correct answer is rooted in the historical performance and records of Xavier's athletic programs, specifically focusing on its regional and sectional championships. Since 1973, Xavier has consistently demonstrated excellence across various sports, accumulating a significant number of championships in both men's and women's athletics.

Counting the championships won in different sports and divisions, the number truly reflects the strength and competitiveness of Xavier’s teams through the years. While other options presented may appear plausible, they either inflate or underestimate the total based on either incomplete data or misinterpretation of seasonal championship records.

The figure of 233 represents a comprehensive tally developed from cumulative wins across individual sports seasons, making it the accurate total reflecting Xavier's championships up through the date referenced. Hence, this choice aligns with the documented achievements of the institution's athletic prowess throughout the decades.