17. Native American burial sites dating back 5,000 years indicate that the residents of LACE>MaineLACE> at that time were part of a widespread culture of Algonquian-speaking people.

(A) were part of a widespread culture of Algonquian-speaking people

(B) had been part of a widespread culture of people who were Algonquian-speaking

(C) were people who were part of a widespread culture that was Algonquian-speaking

(D) had been people who were part of a widespread culture that was Algonquian-speaking

(E) were a people which had been part of a wide­spread, Algonquian-speaking culture

og中說到people重複指residents

可我總想為什麼people不能說"種族"呢??

也就是變成這樣: 當時在緬因州的居民是一支種族...

??????