An investor would most likely expect commodities to have correlations with traditional stock or bond investments and inflation, respectively, that are: Correlation with inflation Correlation with traditional stock or bond investments()

A. positive positive

B. positive negative

C. negative positive

下列疾病属于干性咳嗽的是

A．慢性咽喉炎

B．慢性支气管炎

C．肺脓肿

D．肺癌

E．肺炎