Matching these statements to the appropriateness as the main idea of the passage:
"Michelangelo spent ten years working on his pieta." - Too narrow. This statement focuses on a specific detail but doesn't capture the overall main idea of the passage.
"Michelangelo inexplicably almost destroyed one of his greatest works." - Too narrow. This statement also focuses on a specific incident but doesn't convey the main idea of the passage.
"Michelangelo was a remarkable artist." - Too broad. While this statement is more general and relates to the artist's overall reputation, it doesn't capture the specific details discussed in the passage.
None of the provided statements adequately represents the main idea of the passage, as they are either too narrow or too broad.