The two girls born four days in January 1986 have been friends since their junior days

问题补充：

The two girls, born four days in January 1986, have been friends since their junior days and both won the championship this year.

A. off

B. away

C. ahead

D. apart

答案：

A. off

B. away

C. ahead

(答案→)D. apart

解析：A. off离开，B. away远离，C. ahead前面，D. apart分开，句意：这两个女孩，出生在1986年一月相隔4天，自从小时候就是朋友，今年都获得了冠军。所以选D。