單項(xiàng)選擇題國(guó)民經(jīng)濟(jì)統(tǒng)計(jì)的核心是()。

A.國(guó)民經(jīng)濟(jì)消費(fèi)統(tǒng)計(jì)
B.國(guó)民經(jīng)濟(jì)生產(chǎn)統(tǒng)計(jì)
C.國(guó)民經(jīng)濟(jì)流通統(tǒng)計(jì)
D.國(guó)民經(jīng)濟(jì)分配統(tǒng)計(jì)