The words and punctuation that best corrects any errors in the sentence is option A. well-known. The word well-known should have the punctuation mark hyphen because it is a compound word. Compound words are words that consist of two or more words linked together by a hyphen, in order to create a new word with a new meaning. The word "well-known" means famous.
We are currently reading this in class as well.
Forgive me if I'm wrong, but I believe that the answer is, "They see Dr. Mengele deciding who will live and who will die."
B. Society values freedom
When you witness an event you are watching it, when you are part of it, you are physically involved in some way. Hope this helps!
I'd say the last option makes the most sense, to be safe get a second opinion.
