【单选题】Seeking to decrease the incidence of tooth decay, the American Dental Association is to spend $45 million over the next seven years promoting good dental hygiene.
A.
the American Dental Association is to spend $45 million over the next seven years promoting good dental hygiene
B.
the American Dental Association will spend $45 million over the next seven years to promote good dental hygiene
C.
over the next seven years the American Dental Association is to spend $45 million promoting good dental hygiene
D.
good dental hygiene will be promoted by the American Dental Association, which is spending $45 million over the next seven years
E.
$45 million will be spent by the American Dental Association over the next seven years on the promotion of good dental hygiene