can someone please help me on this question
What word would you suggest to replace the underlined word or words in this excerpt?

really thought she loved me but I discovered her grave betrayal one afternoon. It was easy to figure out because she accidentally sent a text to me that was meant for him.

fidelity -----My Answer

sympathy

perfidy

gravity
the word betrayal is underlined

Question

can someone please help me on this question
What word would you suggest to replace the underlined word or words in this excerpt?

really thought she loved me but I discovered her grave betrayal one afternoon. It was easy to figure out because she accidentally sent a text to me that was meant for him.
 
fidelity ----->My Answer

sympathy 

perfidy 

gravity
the word betrayal is underlined

anonymous · Answer

@goformit100

anonymous · Answer

@ash2326

ash2326 · Answer

@barrelracingchick fidelity means trustworthiness
so it won't work here

ash2326 · Answer

Let's see other options

ash2326 · Answer

betrayal is a bad word, so we have to found out a bad word or negative word

ash2326 · Answer

*find

ash2326 · Answer

@barrelracingchick Are you following?

anonymous · Answer

lol ok this was the only question that confused me

anonymous · Answer

perfidy sounds bad but i have no clue what it means:(

ash2326 · Answer

betrayal  means breaking trust

sympathy = doesn't work, out of context

perfidy = ????

gravity= it means seriousness or the physical force gravity

So we see it should be perfidy

anonymous · Answer

ok thanks so much i am undersanding now you awesome:)

ash2326 · Answer

Aha perfidy means deceitfulness or untrustworthiness 
Perfect :D