The given line above is actually made by Francis Pharcellus Church which is taken from "<span>Yes, Virginia, There is a Santa Claus". And based on this line, I can say that the emotion that the author appeals here is awe and wonder in the unknown. The best answer to this would be option B. Hope this helps.</span>
Explanation:
<h2>ــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــ ....................</h2>
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 :)