I guess the best option is letter C.
The Scarlet Ibis is a symbol for Doodle because it was unique and awkward.
Answer: While I talk, Duncan still lives. The more I talk the harder it will be to do this.
Explanation:
Instead of THEN : later, after, second, third...., next,
Instead of AND: also, as well, furthermore, along with
I tried answer D it's not it. The correct answer is B.