Given the task definition and input, reply with output. In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".

A group of people kayak in maze like bodies of water heavily dotted with ice drifts, snow caps and wild animals native to cold environments. The kayaks traverse snow covered environments in rocky waters. the kayakrs <sep> (A) go around the most concave limbs, platsides and rocky waterways quickly attempting to avoid hitting any small underwater fish. (B) walk through hilly terrain puddled with snow and trail trails in the thick snow. (C) obtain ease paddling along mountainous terrain running with ice floes. (D) pass a seal on an iceberg.
D