Which answer option best evaluates how well the following summary reflects the original

Which answer option best evaluates how well the following summary reflects the original passage?

A piano produces and amplifies sound in a complex process involvingmany steps.

A. The summary is weak because it does not accurately convey the
meaning of the passage.

B. The summary is strong because it identifies the main idea of the
passage without going into unnecessary detail.

C. The summary is weak because it identifies minor details rather
than the main point of the passage.

D. The summary is strong because it draws a personal conclusion
about the passage.