Your answer is C............................
Answer:
It affected the plot because
(hospitality rules) Bellerophon had been a guest for 9 days before the king read the letter that ordered him to kill Bellerophon.
If you have a list of prepositions or you know ur prepositions it is very easy.
For example:
The color of the red shirt was fading.
the preposition would be:
The color of the red shirt was fading.
The - adjective
color - noun
of the red shirt - prepositional phrase
was fading - verb
hope this helps :)