Answer:
This is a topic sentence.
Explanation:
This sentence is a question, which, in expository or persuasive paragraphs, is usually a topic sentence. Data is evidence, a warrant is how your data supports your claim, and a paragraph concluding statement is, in 95% of cases, not a question.
So now we see that the most logical answer is indeed, a topic sentence.
Hope it helped!
If the underlined words are to practice hard the answer is C
1) cause and effect
2) enjoying her new flute
3) last sentence of introduction
4) placed after the word mother
5) word that seems to refer to a different word because of its placement in the sentence