The 1909 Strike at New York City's Triangle Shirtwaist Company

The 1909 strike at New York City's Triangle Shirtwaist Company demonstrated that

A) middle-class women would abandon working-class women when economic conditions deteriorated.
B) women could not organize successfully on a large scale.
C) women workers could create solidarity across social and ethnic lines.
D) class divisions among workers could help them organize more effectively.