Answer: B. "The Japanese have a word for insular which is literally the mental state of the people living on islands: shimaguni konjo."
Explanation: Direct quotations are the exact words of an author or speaker used in a written work. Direct quotations are also used to provide examples that strengthen a thought or idea.
The line that is a direct quotation from an external source is “The Japanese have a word for insular which is literally the mental state of the people living on islands:shimaguni konjo.”
Explanation:
The line “The Japanese have a word for insular which is literally the mental state of the people living on islands:shimaguni konjo.” quotes how a social grupo uses a word and this is an external source since it is not the writer direct information or point of view, it is Neil MacGregor who is quoting a phrase from Donald Keene that he got through the interaction with others.