Choice A is true because people use all three to communicate in sign language. For example, if someone is signing the word "sad," then they may frown while signing the word. Another example would be if someone is really excited about what they're signing, then they may jump up and down while doing so.
Choice B is especially true with sign language. Many deaf and hard-of-hearing people rely on sign language as their main method of communicating. Since sign language relies on sight rather than sound, it's a great way for these people to communicate.
Choice C is true as well! Each word in sign language has its own hand motion(s). Sign language is its own language, so its similar to how we speak different words to communicate different ideas. Hope this helps!
The answer is c, because the men know that if Curley has found Lennie, they would of tortured him and killed him brutally, and so George wanted to shot him out of mercy
