The correct option is
B The minimum number of teeth in one half of one jaw
In each set of teeth, incisors (I) are indicated first, canines (C) second, premolars (P) third, and finally molars (M), giving I:C:P:M which is the minimum number of teeth in one half of one jaw.
So, 'the correct option is 'The minimum number of teeth in one half of one jaw'.