select the simple subject. her assistant organized the piles of paperwork.

select the simple subject. her assistant organized the piles of paperwork.
Answer
Brief Explanations:
The simple subject is the main noun or pronoun that performs the action in a sentence. In "Her assistant organized the piles of paperwork", the main do - er of the action "organized" is "assistant". "Her" is a modifier for "assistant".
Answer:
assistant