_______ and we’ll realize our dream of going to college.

A．A few months more

B．Having a few months more

C．A more few months

D．Spending a few months more

为了解和推算全国城乡居民的消费支出结构，统计应采取的调查方式是（）。

A．普查

B．重点调查

C．典型调查

D．抽样调查