In the question, the sentence has been given in Direct speech. In the options four changed form of reported speech have been given out of which one is correct. Mark the correct one:
The teacher said, “ India became free in 1947.”

A

The teacher said that India had become free in 1947.

B

The teacher said that India became free in 1947

C

The teacher said that India was freed in 1947.

D

The teacher said that India has become free in 1947.