The underlined phrase is this one:
"<span>fog rolling down the river"
The correct answer is this one: "Absolute Phrase." </span><span>Absolute phrases do not directly connect to or modify any specific word in the rest of the sentence; instead, they modify the entire sentence, adding information. </span>
Explanation:
For example, it is both immoral and illegal to murder and to steal. We are fortunate in such cases, for then we do not have to choose between law and morality. But since there is no positive relationship of any description between legalities and moralities, it is a mere coincidence when they correspond.
C. Was
It says "my parents or my older sister". The last subject stated is "my older sister" which is singular. And the only choice that's singular is 'was'. So that should be the answer.
Tom placed the book on the shelf, it sat there for a week.