A Possible Reason for the High Systematic Risk of VAREX

A possible reason for the high systematic risk of VAREX in LCDs and EMs is

A) the tendency of world commodity prices to reflect non-similar economic conditions.
B) the sensitivity of this ratio to rising nominal and real interest rates in the developed,or lending,countries.
C) the tendency of prices and world demands for commodities to reflect simultaneously economic conditions.
D) the discretionary nature of money supply growth for LDC governments.