Final answer:
Casey Stengel managed teams in Major League Baseball for 25 seasons, from 1934 to 1965. Answer C) 25 is the correct number of seasons he coached.
Step-by-step explanation:
Casey Stengel, whose full name was Charles Dillon "Casey" Stengel, had an illustrious career as a Major League Baseball manager. Stengel managed teams throughout 25 seasons in the MLB. Casey Stengel began his managing career in 1934 with the Brooklyn Dodgers and concluded it in 1965 with the New York Mets. Thus, the correct answer to the question "How many seasons did Casey Stengel coach?" is C) 25.