—Zhang Guorong, a HK pop singer, jumped from the top of a building and killed himself.        

—What a pity! That’s because he had______ living in the world.      [ ]

A. been fed up with  

B. been pleased with  

C. nothing to do with

D. been used to

汗疱疹需与以下哪些疾病进行鉴别诊断()

A．水疱型手癣

B．寻常疣

C．剥脱性角质松解症

D．二期梅毒的掌跖红斑