Answer:
Ghostly.
Explanation:
Spectral means of or like a ghost.
A subject is the word, usually in a form of nouns, that is being talked about in the sentence. A subject can either be simple or compound. In the given sentence above, the subject is the word "we". And "we" is the direct doer of the action word "invite".
The best answer would be
A : Both the dogs were clean and fresh-smelling after they were groomed.
Hope this helps :)