单项选择题
Questions 14 to 17 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions.
Which of the following is the aim of the project study(). A. To find out what makes a good teacher.
B. To help teacher control students’ behavior in class.
C. To improve students’ reading ability.
D. To assist educators and policymakers to recognize effective teaching.