which level of classification contains all the others?\nkingdom\ndomain\n genus\nclass

which level of classification contains all the others?\nkingdom\ndomain\n genus\nclass
Answer
Brief Explanations:
In biological classification, the domain is the highest - level taxonomic rank. A domain contains one or more kingdoms, and kingdoms contain classes, and classes contain genera. So the domain encompasses all the other levels mentioned.
Answer:
B. domain