I think 3 oz of vinegar because
7+4=11
And what plus 8 equals to 11.
And it is 3
adjective phrase the second option
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.