患者发热恶寒，心下痞满，大便稀溏，日行五六次，腹中隐隐作痛，喜温喜按，舌淡苔白，脉濡，最适宜的方剂是（）

A.理中汤

B.葛根汤

C.葛根黄芩黄连汤

D.生姜泻心汤

E.桂枝人参汤

Computers have _____ many changes in the workplace. [ ]

A. heard about

B. known about

C. brought about

D. cared about