请选择ABC+[7j,t9L'h5M8b9i3J'_'u 3. Jone's mother ______in a factory.3X;T.v+N/j1m*\'y9c4S'O
A. work3X;T.v+N/j1m*\'y9c4S'O
B. works3X;T.v+N/j1m*\'y9c4S'O
C. worked3X;T.v+N/j1m*\'y9c4S'O