A new study shows older men          a lack of deep sleep are nearly twice as likely to develop high blood

pressure.[ ]

A. suffering for  

B. who is suffering    

C. who suffer from  

D. who suffer to

1896年在宾夕法尼亚大学建立了第一个临床心理诊所的人是（）

A.Wertheimer

B.Witmer

C.James

D.Beers