Most Economists Do Not Advocate a Return to the Gold

Most economists do not advocate a return to the gold standard because:

A) it forces the central bank to fix the price of something we don't really care about while other prices can fluctuate a lot.
B) past willingness to exit the Gold Standard casts doubt on the credibility of committing to it again.
C) inflation will depend on the rate that gold is mined.
D) all of the answers given are correct.