It was not until she came to see us ____ her mother was ill in bed.

A．when we knew

B．that did we knew

C．that we knew

D．that did we know

男性，68岁。外伤致右Colles骨折。骨折对位对线良好，并有嵌插。该患者适宜采取（）

A.牵引治疗

B.对症治疗

C.手术治疗

D.消肿治疗

E.夹板固定或石膏固定