Which of the Following Statements Is FALSE

Which of the following statements is FALSE?

A) Many economists believe that speculators generally play a beneficial role in markets by moderating price swings.
B) Speculators often play a beneficial role by adding liquidity to the markets.
C) In well-functioning futures markets,hedgers buy insurance against adverse price movements and speculators are among the sellers of such insurance,bearing the risk that adverse price movements will not occur.
D) Speculators are always detrimental to any market in which they participate.
E) In well-functioning markets,speculators can help the process of price discovery.