[单选题]
Which statement is tr9;8d6e ,t f twyeenz,hue for an endothermic reacti f1iqw6w:oo xu 9ay87qon that results in an increase in entroooaqywx8iu fq 9w 7:61py?
A. The reaction is always spontaneous
B. The reaction is never spontaneous
C. The reaction is spontaneous at high temperatures
D. The reaction is spontaneous at low temperatures