You'd better ask a ______, such as your aunt or sister, to look after your children while you are away.
A:classmate
B:neighbor
C:relative
— This wine tastes a little bit strange.
— It is. It is made _____ apples.
某校六个绿化带小组一天植树的棵树如下:10,11,12,13,8,x.若这组数据的平均数是11,则这组数据的众数是____.