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.
What dream are you talking about
(It means they're making loud shouts as they ask for ice cream.) "Clamor" comes from the same Latin root as some other words you already know: "exclaim" and "claim." ... "But the word 'clamor' doesn't add any meaning to the sentence from the story. Why didn't Poe just write, 'I replied to the yells'?"
hope that i helped :)