CAN SOMEONE GIVE ME THE CORRECT ANSWER PLEASE IT HAS BEEN HOURS AND NO ONE IS ANSWERING ME :( Which situation was more likely to occur during French colonial rule in Indochina than before the French arrived?

A. A Cambodian nationalist group attempts to overthrow the government.

B. A Vietnamese political leader successfully bans the use and sale of opium.

C. A Laotian farmer is required to sell his crops locally rather than
exporting them.

D. A Vietnamese student is prevented from learning to read and write in French.