I think it is d. if i'm wrong please tell me.<span />
Answer:
A. Semi-colon
Explanation:
An independent clause can connect to another independent clause through the use of a semi-colon.
I think the correct answer from the choices listed above is option B. The narrator allude the to the possibility of requiring a wife who could match Adams social standards at the end of the sentence from Mark Twain's "The 1,000,000 Bank-Note". Hope this answers the question.
I think the preposition is the word (about).
