Answer:
Among the options below the correct answers are option C and E.
turning over control of it's military operations
Suppressing anti Austrian groups and publication.
Explanation: The assassination Austrian Arch Duke Ferdinand and his wife one of the major indirect reason for the world war I. In 28th June 1914 Austrian Arch Duke Ferdinand and his wife was killed by Serb Nationalist Gavrilo Princip.
After this killing Austria thought that either Serbia has helped the assassin or they led the incident. Assuming this ,after one month Austria Hungary sent an ultimatum to the Serbia containing 10 demands.
There were some major demands which turning over control of it's military operation . Austria wanted their people in the investigation of the assassination, which means the control of the investigation.
Moreover, they wanted Serbia to suppress all the anti Austrian groups in Serbia in order to punish the assassin of the Arch Duke.