That scientist work is successful has been made a model worker.A. whichB. whoC. thatD. w

问题补充：

That scientist work is successful has been made a model worker.

A. which

B. who

C. that

D. whose

答案：

A. which

B. who

C. that

(答案→)D. whose

解析：D考查定语从句。句意：那个工作很成功的科学家已经当选为劳动模范。句中的先行词为That scientist，且空处在定语从句中作定语，修饰名词work，所以用whose引导。