The correct answer here is "C"
Reasoning is because "Rockefeller Center" and "Empire State Building" are properly capitalized, and has a comma right after Rockefeller Center to show a pause in the sentence
it is B
in choice c was should be were
in choice d liked should be like
in choice a, know should be knew
26th of January is Australia Day
The answer should be B.
Credibility is important for obvious reasons. Who's going to trust a site that just gets their information from the ether?
Rhetorical questions can make the individuals in an audience feel like they are going through unnecessary pain, which would make them more likely to get the product being advertised.
Logos are... a bit complicated. You can just look that one up.
Hope this helped!