[求助]大全78

78. Although dozens of New York’s small museums are either devoted to local
history or various ethnic groups, there are many one-of-a-kind museums from
Manhattan to the Bronx that are open for exploration on summer weekends.
(A) Although dozens of New York’s small museums are either devoted to local
history or various ethnic groups, there are
(B) Although dozens of New York’s small museums are devoted to local history
or various ethnic groups,
(C) Dozens of New York’s small museums are devoted to local history or various
ethnic groups, but there are
(D) Dozens of New York’s small museums are devoted to local history or various
ethnic groups, and there are also
(E) Devoted to local history or various ethnic groups, dozens of New York’s small
museums and also

为什么选D怎么排除的其他选项,请大家帮忙解释!