Answer:
D. perform a quick search to decide the author’s reliability.
Explanation:
If you research the author of an informative piece and find out their notorious for not being credible, it's safe to assume that source is unreliable.
Answer:
there is no option but idiom is an expression or phrases whose meaning doesn't relate to literal meaning of it words
The first one is correct because There're is shorter for There are and "There are a good answer to that question" doesn't sound correct right? Whereas the first one There's is short for There is so "There is a good answer to that question" Now that sounds grammatically correct right?