The newly-married couple quarreled so much that they reached the point _____ they had to separate

from each other. [ ]

A. when

B. where

C. which

D. that

新生儿缺氧性脑病，CT呈现"双圈征"是指（）

A.皮、白质密度减低，基底节、背侧丘脑密度正常

B.基底节、背侧丘脑密度减低，皮层、白质密度正常

C.皮层密度低，白质密度高

D.白质密度低，皮层密度高

E.脑室密度高，脑室旁密度低