Choose the statement about flexible exchange rates that is correct.

a). A flexible exchange rte is influenced by central bank actions,.

b). next to the United States, China is the largest country that follows a flexible exchange rate policy.

c). Most countries in the world do not follow a flexible exchange rate policy.

d). a flexible exchange rate is unlike a fixed exchange rate because a flexible exchange rate follows a path determined by a decision of the government or central bank rather than taking a single value.