What correctly describes the common currency system created by Augustus ?

C). The government controlled the only legal form of money.

Explanation:

As per the question, the third statement correctly narrates the standard system of currency developed by Augustus that 'the government was the sole reviewer of the only valid/legitimate form of money.' He set up a new monetary system in which he launched 'a new and common form of money 'aureus' where 1 aureus = 25 denarii, which led the bimetals consisting of both gold, as well as, silver in 1:12.5 ratio as the standard form of the money' and 1 gold quinarius = 1/2 aureus & 1 silver quinarius = 1/2 denarius.' His system of common currency continued for two hundred years.

i’m   sure probably just geuss and see which one you can get right, i’m pretty sure it is the combination of goods and services