"As of noon Wednesday,..." That one. The others are too familiar or 1st person.
I think the answer is d because u combine the details in what u read with pre-existing knowledge
Either the Fishers or their daughter has seen the house for sale.
With the correlative conjunction either-or we decide the subject-verb agreement by the closest noun to the verb, in this arrangement, the noun daughter is closest to the verb to see, singular pronoun <em>she</em> is agreeing <em>with has seen</em>.
Other similar examples:
Either Susanna or <em>her children are going</em> shopping for Christmas this Sunday.
Either his brothers or David has broken the granny's porcelain vase.
