Answer :
The narrator assumes that she will: C. be gone for a long time.
What is an Assumption?
An assumption is a claim that a person makes. In the above excerpt, the narrator said that when the first tomato ripened the individual she was talking to would miss her.
This means that she will be gone for a long time. Her absence will make the listener miss her.
Learn more about assumptions here:
https://brainly.com/question/2875871