In order to fill government positions, the Tang, Song, and Ming dynasties all used a. high ranking military officials
b. nothing, the emperor held all power
c. civil service examinations
d. popular elections by the people

c. civil service examinations

Explanation:

In order to fill government positions, the Tang, Song, and Ming dynasties all used CIVIL SERVICE EXAMINATIONS.

In ancient China, imperial examinations were used to select government officials using written examinations and this use of meritocracy was influenced during the Tang Dynasty.

The Tan, Ming and Song Dynasties all used examinations to test the knowledge of candidates on subjects like Chinese classics, poetry and administrative issues.

workers should be given a fair share of the wealth their work creates

hope this

its c not d   tell me if that´s correct