A. Change in society: The passage states in paragraph 2, "several much needed social reforms can be introduced and brought about with the help of the cinema." This aligns with II. can be brought by cinema.
B. Cinema exercises: Paragraph 3 clearly states, "The cinema exercises I. a great influence on the minds of the people."
C. Harmful social traditions are based on: Paragraph 2 mentions, "In our society, there are many practices and traditions which are based on III. ignorance..."
D. Cinema can promote: Paragraph 2 states, "They can be used for promoting IV. national integration, prohibition, inter-caste marriages, family planning, eradication of illiteracy, etc."