B, the hook is to get the reader's attention.
Answer: Because if you are uncertain of what's happening then you don't know how to deal with the situation. So in order to compensate for that not knowing, you take a risk.
Learn is the academic word
The synonym of glib would be insincere...
if you look up the definition in the dictionary it tells you that glib refers to someone that is insincere
hope this helps :)
