Which of the following elements has the greatest impact on the development of a story's plot?

setting
characters
rising action
falling action

It is the rising action because it is what leads up to the climax.

The correct answer is b

  i think you forgot to put the options but if your reffering to this question then your answer will be "b"  a. add "to" to the base form to create an adjective.b. when the subject of a sentence is singular, add "–s" to the base form.c. add "–ed" to irregular base forms to form the past participle.d. do not use a base form with plural subjects