In the myth of Icarus these following ideas are correct: The ship sailed on, The farmer continued ploughing and The sun still shone. Ordinary life continues for people even when others are suffering. It also emphasizes how one person's tragedy might not affect someone else and how one might not even notice someones tragedy even if it is right before their eyes.
Hardly, as an adverb means "just", hardly, in this context is acting as a limiting modifier of the word ever. <em>Hardly ever</em> means very occasionally. We may use words like it to emphasize how infrequently an action takes place. You should note also that there could be other ways to give quite the same meaning, like when you use <em>rarely</em> or <em>seldom</em>, but, hardly ever has also a <u>negative</u> connotation.
The King made the allusion because it offered civil disobedience example.
Answer : Option C
The reference to the Old Testament story of Shadrach, Meshach and Abednego, states that these were 3 Jewish men who were sentenced to death by throwing them into the fire for not worshipping the Babylonian God who was false God.
Here Martin Luther King Jr. made an allusion as he wanted to offer an example of civil disobedience as he was inspired by essay “Civil Disobedience”, written by Henry David Thoreau, and also that of manifestation of Mahatma Gandhi’s with those philosophies. Here, he presented measured defense with explanation.