to plete the job on time, they set out to work immediately.
A. Being determined
B. On having determined
C. Determined
D. To be determined
网友回答
A. Being determined
B. On having determined
(答案→)C. Determined
D. To be determined
解析：考查非谓语动词.句意：因为下定决心按时完成工作，他们立即开始工作了。be determined to do sth.决定做某事,本句前文省略了because they were,本句中的determined相当于形容词,不是过去分词,故选C.