question: Hint: Please answer the question and provide the correct option letter, e.g., A, B, C, D, at the end.
  Question: In the figure above, CDE is an equilateral triangle and ABCE is a square with an area of 1. What is the perimeter of polygon ABCDE?
  Choices:
  (A) 4
  (B) 5
  (C) 6
  (D) 7