Shanker said to his friend, Look out! there is a snake behind you.

• A. Shanker told his friend to look out as there was a snake behind him.
• B. Shanker exclaimed to his friend with surprise that there was a snake behind him.
• C. Seeing a snake behind him, Shanker asked his friend to look out.
• D. Shanker warned his friend that there was a snake behind him.