The correct options are
B sustenance
C cash
The British were in pursuit of commercialised agriculture. Commercial crops like cotton, jute, groundnuts, oilseeds, sugarcane, tobacco, etc., sold for higher prices than food grains. Instead of food and sustenance crops, peasants began growing cash crops in hopes of clearing their debts and paying their taxes. Causing them to have shortages in food crops, which affected them severely.