The answer is "A" because it uses the word "cheap" which is pretty much less than the following: "popular price", "reasonable price", and "affordable".
Answer:
either the first or last one, most likely the last one
Answers for questions 36 through 39.
36-D. It allowed him to add less-common shapes into his design.
37-A. They explain a way of thinking that allowed an obstacle to be overcome.
38-C. Project succeeded in part because of luck.
39-D. The wide spread amazement felt about it.
