The correct options are
A Her father was a high-ranking official in the colonial government.
B She was widowed at an early age.
C She studied at the London School of Economics.
D She was one of the first women who broke the Salt law.
Kamaladevi Chattopadhyaya was the daughter of a high-ranking official in the colonial administration. She was widowed at an early age. She went on to study at the London School of Economics. She came back and actively participated in the freedom struggle. In fact, she was one of the first women to break the Salt law.