Question

【题目】Mary is the youngest ____ the three girls.

A. on B. than C. of D. at

Answer 1

【答案】C

【解析】句意：玛丽是三个女孩中最年轻的。A. on在……上；B. than比；C. of……的；D. at在。of the three girls在三个女孩中，属于最高级的比较范畴，故答案为C。