 
<translate> Mutum ba zai iya shiga cikin ɗaki ba idan an rufe ƙofar sai dai idan ya buɗe ƙofar don samar da shiga cikin ɗaki. Amsar ita ce Jumlar B. <eng> One cannot enter a room if the door is closed unless one opens the door to provide entry into a room.
The answer is Sentence B. 