I put the medicine on the top of the desk to make sure it would not be to my son.A. acces

问题补充：

I put the medicine on the top of the desk to make sure it would not be to my son.

A. accessible

B. relative

C. acceptable

D. sensitive

答案：

(答案→)A. accessible

B. relative

C. acceptable

D. sensitive

解析：句意：我把药放在桌子顶上以确信我儿子够不着。accessible易接近的，可得到的； relative 有关的，相关的； acceptable可以接受的； sensitive 敏感的。