In Cartagena, you can do the following activities:
A. go to the oldest film festival in Latin America - This refers to the Cartagena International Film Festival, which is one of the oldest in the region and held in Cartagena.
B. do sports in Simon Bolivar Metropolitan Park - This park is a popular spot for various outdoor activities and sports.
D. attend the Festival of Flowers - While the Festival of Flowers (Fiesta de las Flores) is primarily associated with MedellĂn, Cartagena does have its own cultural events that celebrate flowers and local culture.
However, you cannot swim in the Pacific Ocean (C) in Cartagena, as it is located on the Caribbean coast of Colombia.
So, the correct options for activities you can do in Cartagena are A, B, and D.