CPI 是物价涨跌状况，从供求关系方面考虑，CPI这个经济数据对股市大盘的影响是

①一般情况下，物价上涨，股价上涨；物价下跌，股价也下跌 

②产品价格上涨高于借贷成本时，公司利润上升，股票价格也会上升

③物价上涨引起公司成本上升，利润降低，股价也随之降低

④物价上涨引起投资者退出股市而转向房产、贵金属等保值性强的物品，使股价下跌

A．①③④

B．①②④

C．②③④

D．①②③④

It is reported that the latest outbreak of the bird flu in Pennsylvania in the United States has prompted China to slap a ban on poultry imports from the state.()

A. marine products

B. dairy products

C. industrial products

D. avian products