Transactions Costs Prevent Purchasing Power Parity from Holding Because

Transactions costs prevent purchasing power parity from holding because:

A) they make creating exchanges too costly in some places.
B) they include the expense of transporting the goods to be sold in another country.
C) the price of a good sold in another country must include the cost of getting it there, which can be high and cause a large price differential.
D) All of these statements are true.