I don’t know ____________.

A．how much the population in Beijing is

B．what is the population of Beijing

C．how much is the population in Beijing

D．what the population of Beijing is

甲农机厂改扩建工程急需一笔资金，为此甲厂与当地建行签订一份借款合同，并请县政府出面担保。按规定，该县政府能否提供担保

A．可以担保

B．不能担保

C．如有足够经费可以担保

D．如建行同意可以担保