Ludwig van Beethoven, Piano Sonata in C# minor review

Ludwig van Beethoven, Piano Sonata in C# minor, "Moonlight," movement I
Which of the following best describes the texture?
Monophonic
Homophonic with active accompaniment Polyphonic
Which of the following best describes the dynamics?
Mostly piano
Mostly forte
Wide-ranging dynamics from piano to forte

The melody is primarily accompanied by:
Homorhythmic four-part harmony
Arpeggiated chords (one note at a time)
Imitative polyphony