What adjective best describes the tone of this excerpt? worried
confused
awestruck
hopeful

(Confused is wrong btw since I took the test and it said it was wrong)

Adam posted in a thread about theoretical physics. in his post he refuted general relativity and cited a paper that was recently self-published by one person on her own personal website and had no references to other works in the field. which important question did adam not answer sufficiently when evaluating the cited paper?

Which revision fixes the dangling modifier in this sentence? while reading a new mystery book, my dog curled up in my lap and slept. a.) curled up in my lap, my dog slept while reading a new mystery book. b.) while i was reading a new mystery book, my dog curled up in my lap and slept. c.) my dog, while reading a new mystery book, curled up in my lap and slept. d.) curling up in my lap while reading a new mystery book, my dog slept.

What is the origin of déjà vu, and what is its meaning?