Peter tried on three jackets, but _________ of them fitted him.[ ]

A. all

B. both

C. none

D. neither

某高脂蛋白血症患者血浆标本置于4℃冷藏10小时，可见上层为奶油样，下层混浊的标本，可能是（）

A.CM和LDL增高

B.HDL增高

C.VLDL增高

D.LDL增高

E.CM和VLDL增高