discuss

primefang

( Although dozens fo NY's small museums are either devoted to local history or various ethnic groups, there are) many one-of-a-kind museums that are open for exploration

A>

D> Dozens of NY's small museums are devoted to local history or various ethnic groups, and there are also

A or D???

primefang

the anwswer is D

tongxun

A中的either or 不平行，而且无谓地用了虽然。。。，但是。。。，但前后的主语根本无关，算是枉用吧。