The prefixes are a group of letters or one single letter placed and attached before the root word, and at the same time provides meaning to the complete word. For example "impossible" in this case the prefix would be "im".
Hence, the correct answer is letter <u>c. ex</u>
I’m pretty sure it’s B. Sorry if it’s not!
It shows the shock of the character.
That would be one point, not to sure about any others though.
My last adventure... was when I was in AR29 or — not sure