Now let me tell you the work I have been doing with them. My job with the UN is

 Now let me tell you the work I havebeen doing with them. My job with the UN is not paid, but voluntary and as Isaid _______, I mainly visit countries where the UN has programs to helppeople. 

A.before                     B.although                 C.even           D. in case

试题答案

【答案】

A

【解析】