“What did you see at the South Pole ?” Ashok asked Anil.

Ashok asked Anil if he saw anything at the South Pole.
Ashok asked Anil What he had seen at the South Pole.
Ashok asked Anil What did he see at the South Pole.
Ashok asked Anil that he saw anything at the South Pole.

The correct answer is C. Ashok asked Anil What did he see at the South Pole.

Option A is incorrect because Ashok did not ask Anil if he saw anything at the South Pole. He asked Anil what he saw.

Option B is incorrect because Ashok did not ask Anil what he had seen at the South Pole. He asked Anil what he saw.

Option D is incorrect because Ashok did not ask Anil that he saw anything at the South Pole. He asked Anil what he saw.

The question “What did you see at the South Pole?” is a direct question. It asks Anil to provide information about what he saw at the South Pole. The question is not a request for permission, nor is it a statement of fact. It is simply a request for information.