Answer:
Ils ont pris un bain à la plage
Explanation:
Hello !
→ rester (to stay)
Nous <u>restons</u> chez nous pendant les vacances.
<em>(we stay at home during the holidays) </em>
<em />
<em>× × i hope i helped you ! × × </em>
Oui..........................................
I’m pretty sure it’s B. (I know a little French) But I would get a second opinion.