They usually have the medicine before putting into the market all over the country.
A. testing out
B. to be tested out
C. being tested out
D. tested out
网友回答
A. testing out
B. to be tested out
C. being tested out
(答案→)D. tested out
解析：考试have sth done 结构，把某事做了，该句式已经表达了被动含义，故不再用被动语态选D。