新东方绿皮书的一道题

2. Heavily perfumed white flowers, such as gardenias, were favorites with
collectors in the eighteenth century, when______was valued much more highly
than it is today.
(A) scent
(B)fragrance
(C) beauty
(D) elegance
(E) color
(F) variety

文中即提到了heavily perfumed 也提到了white，为什么最后的选择是AB，两个只是和气味相关的词