The Ganga is as deep in midstream as at the banks.

The correct answer is: A. wide.

The Ganga is a wide river, and its width is relatively consistent throughout its course. This means that the river is as deep in midstream as it is at the banks.

The other options are incorrect because they do not accurately describe the Ganga. The Ganga is not narrow, hollow, or shallow.

The Ganga is a major river in India. It is the longest river in India and the third longest river in Asia. The Ganga is also one of the most sacred rivers in Hinduism.