Answer:
The correct answer is 'in particular'.
Step-by-step explanation:
'In particular' is a transitional phrase that we use to elaborate on an idea by introducing examples.
In the example sentence you show says:
I really think that some of my parents' rules are not fair: This is the idea that needs elaboration.
in particular, the one that says I can not talk to my friends on the phone after eight o'clock: This is the example used to support the idea stated previously.