PART A: Which sentence best describes the theme of the short story? A It's important to have proper supplies before you go outdoors.
B. Outdoor activities in the snow are too dangerous for kids.
C. The beauty of nature can often be distracting.
D. It's important to stay calm in an emergency situation,

quite an interesting way to teach topic sentences, because the answer to this question is the best definition of a topic sentence that one can present, it is as if answering the questions taught you how to do it, this is some real teaching, it is terribly well-done.

the topic sentence in this paragraph is:

topic sentences writers stay on track and keep a paragraph from becoming an aimless collection of sentences about an idea.

which incidentally tells you what a topic sentence should be.

what

explanation:

i believe the dynamic character would be teddy because he learns an important lesson