The medicine should usually be kept out of the of children at home.
A. distance
B. reach
C. limit
D. arrival
网友回答
A. distance
(答案→)B. reach
C. limit
D. arrival
解析：名词词义辨析题。A. distance距离 B. reach手可触及的范围 C. limit 限制D. arrival 到达 根据语境“药品应放在家中孩子够不到的范围”所以选D。