证券交易所不得直接或者间接从事的事项有()

A．以营利为目的的业务

B．新闻出版业

C．发布对证券价格进行预测的文字和资料

D．安排证券上市

Problems relating to people's livelihood have been the focus of the government, especially _______

Premier Wen Jiabao included them in his government work report last year.[ ]

A. when  

B. if

C. until   

D. since