Answer A is the answer I think
Answer:
Firstly, the main idea of a paragraph is generally its first sentence (the topic sentence). If not, first identify the topic of the paragraph. Next, look for what claim the supporting details are pointing towards.
Hope this helps!
Answer:
You can write about what you have learned in the 100 days and your accomplishments. For example, say you didn't know how to divide before but now you do, and you can explain how you did that. Also good grades, good behavior. these are all examples.