Its gonna be b trust me i seen this before on my test
its characterized by imagery i think so
It usually appears as an individual section called Reference.
It locates at the end of the essay, and they are labeled correspondingly with notice in the previous sections as well.
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 :)