A, C, and D are true.
May I point out though, there was nothing about Shen Zhou in your answers, but I can definitely say none of them sounded like his work.
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Answer: Write C-E-G-E-C progressing in any rhythm, I would recommend quarter notes. An arpeggio is a broken up chord, so you just need to have all of the notes in the triad in a given rhythm.
Answer:
The Founders and Federalism
Explanation: