My mom is teasing me about a guy best friend

so whenever i mention to my mom that im friends with a guy or im going to hangout with a guy she gets extremely questionable but also like mad when she asks the questions like with an odd and rude tone of voice. Because this happens any time i mention a guy i’ve stopped bringing up ones that im friends with just to stop her giving me grief about it.

For example, last night my friends dad gave me a ride home after me, my guy best friend and our friend group all hung out in the city. So this morning when i seen her she asked who gave me a ride and i said , (friends name) and his dad. To which she asked “who is … and why did his dad give you a ride home” So i replied “he’s my best friend and his dad offered to give me a ride back” and then i turned away, went into my room and i heard her mutter something under her mouth like “oh your best friend yeah?” as if being sarcastic and annoyed as to what i had said.

I’m 17 and my mom has for some reason always been like this. She used to be somewhat strict with me staying out late and going farther away places, but recently she hasn’t seemed to mind too much. She’s gave me more freedom and trust, she doesn’t contact me when i’m out unless it gets late to ask when i’ll be home and she doesn’t ask for my location anymore.

I don’t get it all moms just do this or if it’s just mine but it’s really kinda upsetting me because i feel like from her criticism that i shouldn’t be hanging out with my best friend.

is there anything i should do about this or try to fix or do i just ignore it because she’s being really immature?