where is the story? Then i can answer
The use of contractions and colloquial 'slang' implies a writer, or persona adopted by the writer, that doesn't have a great deal in the ways of education, he/she appears to be writing things as they are said rather than how we as an audience know them to be spelt. This can be shown by quoting any contraction or wherever there's an amendment to the text, for example "hender" instead of "hinder".
<span>The use of nature also implies the simpleness of the two characters, by using the stream imagery it gives quite a straightforward steady approach, more gentle than say a river but still pretty much in that ideal</span>
This is D, 'direct object'. Because you can ask the question used for direct objects - what- (I don't know - what? - why I said that).
Situational irony occurs when the expected outcome does not happen. The outcome can be serious or humorous.
