Punctuation is the symbols you place in a sentence in order to structure it.
Examples of punctuation: period, exclamation mark, question mark, comma, colon, semicolon, etc.
If you are referring to concrete and abstract nouns, then "North America" would be considered a concrete noun, as one can physically touch the earth in Canada and say, "I am touching North America". If it were an abstract noun, such as fear, one would be unable to physically interact with it, as one cannot physically touch an emotion or idea.
The answer is D.
Telemachus does not wish Odysseus' identity to be revealed to his mother. Thus, he sends her away at an opportune moment, realizing she's getting a bit too big for her britches. He does not want his mother influencing the events to come in any way.
