I'm a space architect. I (1) _______ buildings for people to live in on other planets. It's an interesting job because we have to think about things that architects on Earth don't have to think about, like how much food and water people will need if they live on Mars. We also have to think about what the weather is like on other planets and (2) _______ that affects the design of the building.

     We use 3D printers to print the buildings. The printers use the (3) _______ on the planet, so if we're printing a building on Mars, the printer uses the rocks and dust from the planet. It's very (4) _______ from the way buildings are made on Earth. On Earth, architects usually use a lot of concrete and steel. However, we can't take those things to other (5) _______ because it's too expensive and there isn't enough space in the spaceship. We have to find new ways to make buildings.

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct option that best fits each of the numbered blanks from 36 to 40.