‘used to + infinitive’
We use ‘used to’ to talk about things that happened in the past – actions or states – that no longer happen now.
e.g I used to eat meat but I became a vegetarian 5 years ago.
‘be/get used to’
If you get used to something or you are getting used to something you are becoming accustomed to it
- Both ‘be used to’ and ‘get used to’ are followed by a noun (or pronoun) or the gerund – the ‘ing’ form of a verb
e g I’m getting used to driving on the right.
I can’t get used to getting up so early. I’m tired all the time.
(B) "is still getting used to sleeping" should be answer