In the following question, the sentence given with a blank is to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.
Neha told her an exciting ___________

The verb 'told' is used when someone narrates something to another person, which perfectly fits with a 'story'. One generally writes or reads an essay or an article, and explains an idiom, rather than "telling" them in this context. Thus, 'story' is the most appropriate option.