The prepositional phrase would be "of the state". The word "of" is a preposition.
Examples of other prepositions: before, after, across, within, on, over, under, through, behind
A prepositional phrase has a preposition and a noun/pronoun after it.
The Atlantic, Pacific, Indian, Arctic, and Southern Oceans. <span />
In A: it should be "I was" not "I were".
In B: it should be "lately you appear" not "you appears"
in C: this is correct! the subject is in agreement with the verb, and this is the correct answer.
in D: it should be "you are"
Telepathically is your word.