I have two elder brothers, ____ in the army for ten years.

A. the elder of whom served        B. the older having served

C. the older of which served        D. the elder one has served

I have two elder brothers,__________in the army for ten years.

A.the elder of whom served             B.the older having served

C.the elder having served               D.the elder one has served

I have two elder brothers, ____ in the army for ten years.

I have two elder brothers, ____ in the army for ten years.

A．the elder of whom served                 B．the older having served

C．the older of which served                 D．the elder one has served

I have two elder brothers, ________ in the army for ten years．

1. A.
   the elder of whom served
2. B.
   the older having served
3. C.
   the elder having served
4. D.
   the elder one has served

I have two elder brothers，______in the army for ten years.

A.the elder of whom served

B.the older having served

C.the older of which served

D.the elder one has served