________是我国的立国之本，必须坚持不动摇。         

A．党的基本路线

B．改革开放

C．四项基本原则

D．经济建设

According to the passage, what did giant businesses like AT&T, Boise Cascade and Starwood Hotels do to their employees a. They reduced the employees’ compensations. b. They froze pays. c. They fired many workers. d. They no longer offered pension or health insurance.