The following reaction is endothermic. 2Cu(s) + CO2(g) -------> 2CuO(s) + C(s) Which of the following statements are true? A) The reaction is not spontaneous at any temperature B) The reaction is spontaneous at all temperatures C) It is impossible to determine if the reaction is spontaneous without calculations D) The reaction will only be spontaneous at low temperatures E) The reaction will only be spontaneous at high temperatures