Detailed Instructions: Given a math problem with context and a question and 5 answer choices, the task is to provide the correct answer choice based on the problem. You must choose one of the given answer choices by letter: a, b, c, d, or e; anything else is invalid.
Q: Problem: abcd is a square where ab = a s 4032. let x be a point on ab and y be a point on cd such that ax = cy. compute the area of trapezoid axyd.
Options: ['a. 3008', 'b. 2002', 'c. 1008', 'd. 2016', 'e. 3000']
A:
d