Who among the following had issued the first gold coins in the first century CE?

Class 12th Hitory, Question -Who among the following had issued the first gold coins in the first century CE?

These are the options for the question :Who among the following had issued the first gold coins in the first century CE?

A.The Yaudheyas
B.The Parthians
C.The Guptas
D.The Kushanas

The correct answer is -ANS- D. The Kushanas