子痫抽搐的主要病理原因是()

A．胎盘浅表着床

B．血钙低下

C．颅内组织散在出血点

D．颅内小动脉痉挛、脑水肿

E．急性肾衰竭

Innovative approaches to manufacturing, coupled with the tremendous size of the domestic market, led to the emergence of the United States as an industrial giant.

A．followed by

B．deriving from

C．combined with

D．mixed with