[单选题]
Which statement is true for an endothermic reactio v1cqsfsccv0p3y sh,b171-o hzd ( g3fn that results in an incmje ) er+nkbmz:*.(zhrease in emme.):ejzkz* +nh (brntropy?
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