Read the excerpt from "Thomas Edison: The Master of Improvement.”

It was this same stubborn resolve that made Edison’s lightbulb more successful than Swan’s. Edison thought that the secret to a better bulb could be found in the filament. He simply needed to figure out what type of material worked best. Edison tried metal first. Then he tried different kinds of wood, coconut fiber, and even the hair from a friend’s beard!

Which phrase from the excerpt best supports the author’s view that Edison’s determination helped him succeed?

What is the effect of narrator's word choice on the tone of this passage? the words "my heart shrank within itself" create a fearful tone. the words "wounded his fellow" develop a remorseful tone. the words "struck harsh upon my ears" suggest an irritated tone. the words "better-omened" set a hopeful tone. excerpt from "the cabuliwallah" by rabindranath tagore i was sitting in my study, looking through the accounts, when some one entered, saluting respectfully, and stood before me. it was rahmun the cabuliwallah. at first i did not recognise him. he had no bag, nor the long hair, nor the same vigour that he used to have. but he smiled, and i knew him again. "when did you come, rahmun? " i asked him. "last evening," he said, "i was released from jail." the words struck harsh upon my ears. i had never before talked with one who had wounded his fellow, and my heart shrank within itself when i realised this; for i felt that the day would have been better-omened had he not turned up.