Janet Spector's Archaeological Work Was Unusual Because

Janet Spector's archaeological work was unusual because

A) she was the first woman ever to direct an archaeological excavation.
B) Dakota and non-Dakota were collaborating in teaching Dakota language, oral history, ethnobotany, ecology, and history at the site while digging continued.
C) her work brought to light detailed information about technological changes in Dakota textile production that had never before been documented archaeologically.
D) she was able to show that stone-tool manufacture and use remained important at Village at the Rapids, even after settlers began importing metal tools.