—Did Jenny clean the whole house yesterday ?

—She         because she was not quite herself .

A．hadn’t cleaned it

B．had it cleaned

C．had cleaned it

D．cleaned it

关于椎管内复合麻醉，下列哪项不正确（）

A.也称硬一腰联合麻醉

B.能进行术后镇痛

C.不能用于儿童和老年患者

D.麻醉起效快

E.阻止范围广