Final answer:
The correct thematic thread in 'Indiana Jones and the Raiders of the Lost Ark' is adventure, characterized by action, treasure hunting, and exotic locales.
Step-by-step explanation:
In the film Indiana Jones and the Raiders of the Lost Ark, the common thematic threads are reflected in the director's choice of subject matter as c) Adventure. The reasons for this categorization are multiple: the central story revolves around an archeologist embarking on a perilous quest to recover the legendary Ark of the Covenant before it falls into the wrong hands. This quest involves various elements typical of adventure films such as treasure hunting, exotic locations, action-filled scenes, and a fight against the forces of evil (in this case, the Nazis). The film is filled with thrilling action sequences, treasure hunts, and exploration of dangerous, exotic locations, all of which contribute to the sense of adventure.