A prepositional phrase is such a phrase which begins with a preposition (on, under, over, etc) and ends with a noun, pronoun, gerund, phrase etc.
So here, the correct sentence will be "On the stage the members of the orchestra began to tune their instruments".
Answer:
b.
some individuals who will give up their own individual powers for security and structure.
D. The narrator of the poem is a fourteen year old boy, who has lost confidence in himself because of his age and going older (lines 1-4); by his skin breaking out (line 2); the braces he wears (line 30); and due to his paranoia of dying young (lines 8, 15, 32). Illness is not implied as holding him back.
This would be an example of pathos, which appeals to the emotion.