The prepositional phrase for this sentence is "go until Friday." The word "go" is a preposition. Think of it as a squirrel and a log. To find a preposition, say "The squirrel (went) [insert preposition] the log." If it makes sense, it is a preposition. Then just find the phrase to go along with it!
In Fahrenheit 20 degrees celsius is 68 degrees fahrenheit.
In Kelvin 20 degrees celsius is 293.15 degrees Kelvin
No it's not it's describing terrible experience of being an bird stuck into a cage.
D. Run-on Sentence
The other options wouldn't make any sense except maybe "A", but a fragment is not completed whereas a Run-on would be completed, just lacking punctuation.
This is the line <span>from "The Pardoner's Tale" which reveals the Pardoner's feelings towards those to whom he preaches:
</span><span>"A yokel mind loves stories from of old..."
Yokel means uneducated. </span>
