44. Which of the following can be the best title of this text? (A) Why do I read? (B) How do I read? (C) What do I read? (D) When do I read?

48. What is the main purpose of this text? (A) To call on people to pay more attention to housing problems. (B) To prove that some standards are needed for affordable housing. (C) To ask society to help homeless people and low-income families. (D) To introduce healthy, environmentally clever-and affordable housing.