软件工程的可行性研究，要着重考虑方案的经济可行性、操作可行性和（）可行性。

Passage One

Which of the following statements is NOT true of Trinidadian workers who were made jobless in early September a. They held protests against the government on the street. b. They became independent cane farmers. c. They were compensated with a total of 115 million dollars. d. They were given the chance of retraining for new job careers.