Answer:
Option D All of the statement are true
Explanation:
The reason is that the entities that are involved in the foreign exchange markets are the ones who hedge their risks associated with their currency receipts in other currency and the speculators who thinks that the prices of the a derivative or commodity will increase or decrease and earn on the basis of their speculation. So banks, nonbank, foreign exchange dealers, central banks, treasuries, speculators and arbitrageurs all are the participants in this foreign exchange markets. So all of the options are correct.