Where did Sidney Port often visit during his stays in Palm Springs?

A. Arlington Park in Arlington Heights, Illinois and Santa Anita Park in Arcadia, California
B. Keeneland in Lexington, Kentucky and Fair Grounds in New Orleans, Louisiana
C. Churchill Downs in Louisville, Kentucky and Belmont Park in Elmont, New York
D. Pimlico Race Course in Baltimore, Maryland and Saratoga Race Course in Saratoga Springs, New York
Answer: 