颅内压增高患者，腰椎穿刺放脑脊液后突然呼吸停止，这是由于诱发了（）

A.小脑扁桃体疝

B.颞叶海马钩回疝

C.脑室系统出血

D.脑肿瘤继发出血

E.脑血管意外

( )means that the seller delivers the goods，clears for export，to the carrier nominated by the buyer at the named place．

A．FCA

B．CFR

C．FOB

D．CIF