Respuesta :
Answer:
D. “In the 1840s the Duchess of Bedford introduces the ritual of afternoon tea, because by this time dinner had become so late, seven-thirty to eight o’clock . . .”
Explanation:
Considering the available options, the line that is a direct quotation from an external source is "The historian Celina Fox explains that tea-time had become a smart event . . ."
What is a direct quotation from an external source?
The direct quotation from an external source is the quotation that includes the name or the source from which the line is taken from.
Given that options C includes the source from which the quotation was taken from which is "historian Celina Fox" this is the correct option.
Hence, in this case, it is concluded that the correct answer is option C. "The historian Celina Fox explains that tea-time had become a smart event . . ."
Learn more about direct quotes here: https://brainly.com/question/2669208