thE sAlEs DEpArtmEnt hAs DouBlED its ______ oF stAFF mEmBErs BECAusE oF thE nEw BrAnCh oFFiCE thAt is sChEDulED to opEn up nExt month.
(A) numBEr
(B) Amount
(C) pErCEnt
(D) wiDth