Indicates a state of reality.
Indicative verbs state what is going on at that moment, or what could very possibly happen.
e.g "I run through the forest".
Sentence B is present tense. Sentence A is referring to that she has already worked and is past tense. Sentence C is referring to that she is going to be working, which is future tense. Sentence B is the only sentence that seems to follow present tense.
Answer:
A. It allows the narrator to share reflections about previous important
events.
Explanation: apex