A good summary of an informational text mustinclude all the details that the text contains about its subject. State, in the student's own words, only the most important ideas. Evaluate whether the text's author covered the subject matter well. Use phrases and sentences taken directly from the original author.

B). state, in the student's own words, only the most important ideas.

Explanation:

A Summary is characterized as a brief or condensed form of the main text. It primarily aims to convey the main idea or purpose of the author along with backing details to substantiate it.

As per the above description, a fine summary of an informational text needs to deliver the most significant ideas conveyed by the author throughout the text in the own words of the students. It helps in ignoring the unnecessary information and associates the main ideas in a coherent manner that can easily be understood by someone who has not even read the text. Thus, option B is the correct answer.

to show how the cables work.