What can you do to get off the lake?

‘Suppose you are standing on a frozen lake where there is no friction between your feet and the ice. What can you do to get off the lake?

A. Bend over touching the ice in front of you and then bring you feet to your hands.

B. Walk very slowly on tiptoe.

C. Get on your hands and knees and crawl off the ice.

D. Throw something in the direction opposite to the way you want to go.