I still remember the winter（）we went to Harbin to see the ice-lamp.

A.which

B.why

C.whose 

D.when

君相火旺证的遗精特征是（）

A．无梦而遗，甚滑泄不禁

B．遗精时作，热涩不畅

C．劳则遗精

D．少寐多梦，梦则遗精