I've heard from a source that many of the workers may lose their jobs because our company

问题补充：

Ive heard from a source that many of the workers may lose their jobs because our company is running very badly.

A. stubborn

B. reliable

C. extreme

D. determined

答案：

A. stubborn

(答案→)B. reliable

C. extreme

D. determined

解析：形容词辨析。A固执的；B值得信赖的；C极端的；D意志坚定的；句意：从一个可靠的来源我得到这样的信息，因为公司运营不善，很多工人都要失去他们的工作了。故B正确。