Give me your telephone number I need your help.AwhetherBunlessCso thatDin case

问题补充：

Give me your telephone number I need your help.

Awhether

Bunless

Cso that

Din case

答案：

A. whether

B. unless

C. so that

(答案→)D. in case

解析：考查连词. Whether是否;unless除非,如果不;so that 为的是,以便;in case假使,以防万一.根据题意，给我你的电话号码，以防万一我需要你帮忙。故选D.