What is the meaning of life
Using fancy words isn't the way to impress. Since you're asking other people for some words, there's a higher chance that you'll accidentally use them wrong. What you're saying is what matters. Whether or not you're able to get your point across is what matters and using "fancy" words isn't going to help with that. I bet what you have is great. Just make sure you're getting your point across and you'll be fine.
<span>1.It's A because 'as' should have been used, meaning 'which'. 'I will refuse his demands which are outrageous '. 2.But' unless' has nothing to do with the context provided in C because 'until' should have fitted here.</span>