In expository writing, a topic sentence is a sentence that summarizes the main idea of a paragraph. It is usually the first sentence in a paragraph. What is your question regarding a topic statement?
1) To my mind the correct option is letter (B).
2) I think that the verse “"Where tireless striving stretches its arms towards perfection “supports the previous answer. The author conveys the idea of working hard to achieve people goals and if it is possible to reach perfection.
The answer is letter C. An epic is a long lyric or other gem commending brave accomplishments. After you cruise the world over for a long time, battling defilement and planting vegetable gardens, some artist will most likely compose the epic of your undertakings.