The best summary for this excerpt could be " Mac Gregor believes the antique tea set to be a symbol of British history. He includes a quotation from a historian to support his point."
Summary is a brief statement or the conclusion of a text. It is a short account of a story or an article that gives the main points of the text but not all the details.
The given excerpt is taken from "Early Victorian Tea Set.” The excerpt explains that tea set is an important part of the history or Britain.
It outlines the fact that tea set impacts everybody in the country. It links the person to almost every continent of the world.
Therefore the statement that best explains the summary of the excerpt is C.
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