In the list of activities below, mark each item if it was an event in the ancient olympics. a. running b. tennis c. javelin throw d. long jump e. horseback riding

Before 5th century these were on day event and after 5th century it was extended to three days event
The ancient Games includes  running, long jump, shot put, javelin, boxing, pankration and equestrian events.so A,D and E are right options 
hope this helps