單項選擇題在經(jīng)濟(jì)行情研究中,領(lǐng)先指標(biāo)下降()

A.表明經(jīng)濟(jì)活動已經(jīng)進(jìn)入低潮
B.表明經(jīng)濟(jì)活動的低潮已經(jīng)過去
C.預(yù)示著經(jīng)濟(jì)情況可能會變壞
D.預(yù)示著物價水平將會下降