Answer:
O C. People must use their mistakes to build a better future.
Explanation:
A theme of a speech or a text is the main idea of the given text that the author wants to relay to the readers/ audience. In other words, we can say the theme of a speech is the main purpose of the speaker.
Among the given sentences, sentence C best represents a speech's theme. This is because the statement that <em>"people must use their mistakes to build a better future"</em> revolves around the overall idea of learning from past mistakes and getting better through the lessons learned.
Thus, the correct answer is option C.
Information about polar bears is important for people to learn because polar bears are becoming extinct so it’s best to learn more about them, if more people know about them they’ll try to help them, besides they are also part of the food chain.
<span>Using cell phones during school hours is not allowed.</span>