硬膜外隙阻滞的并发症除外（）

A.穿破硬脊膜

B.全脊髓麻醉

C.颅内压增高

D.局麻药中毒

E.脊髓损伤

Her piano skills were so good________a ten – year – old that the judges of the contest simply couldn’t believe it.

A．for

B．as

C．to

D．about