The storeroom door was closing automatically, and Mina needed to leave the enclosed room. Complete with the two-word get phrasal verb that means leave an enclosed place: Mina managed to ___ before the door locked.
Correct answer
get out
Explanation
Leaving the enclosed storeroom is expressed by get out, so it fits Mina's action before the door locks. Get away means escape or leave for a break, rather than simply exit a room.