Final answer:
The sentence using formal language is C) 'There were three white-bearded gentlemen, Mr. Medbourne, Colonel Killigrew, and Mr. Gascoigne, and a withered gentlewoman, whose name was the Widow Wycherly.'
Step-by-step explanation:
The question asks which sentence uses formal language. Formal language is characterized by a lack of colloquialisms, contractions, first person pronouns, and is often used in serious or professional contexts. Considering the options provided, the sentence that most closely fits the definition of formal language is:
C) 'There were three white-bearded gentlemen, Mr. Medbourne, Colonel Killigrew, and Mr. Gascoigne, and a withered gentlewoman, whose name was the Widow Wycherly.'
This sentence avoids colloquial language and uses a more structured, formal construct, making it the best example of formal language from the given choices.