During Indian freedom struggle , a general strike jointly called by the Girni Kamgar Union and the Railway workers place in March, 1929 in bombay. This was actually in protest against ______

• A. the congress acceptance of Domination Status to India as a desirable interim goal
• B. the visit to india of Whiteley commission on Labour
• C. the Government's insistance on passing the Trade Disputes Bill through the Central Legislative Assembly
• D. the dismissal of workers who had taken part in the 1928 strikes