B. must be related.
The main point of having a thesis statement is to explain the certain topic. Topic Sentences are sentences that explain how the topic is related to your thesis statement so it must always be relevant.
The first sentence ... the old woman ...
This question does not make sense, does it refer to a story?
Sorry I have to do my chores, then I have to take the dog out, I also have to go with my mom to one of my family members house.