According to the passage, some Americans choose to live in the country because ___.
A. their children enjoy country life
B. they enjoy the safe, clean, attractive environment there
C. hospitals, schools and shops are conveniently located there
D. life there may be easier for them
* Đáp án
B
* Hướng dẫn giải
Đáp án B Giải thích: Câu thứ 2 từ cuối lên của đoạn 5: "... many people who live in the country say that they like the safe, clean, attractive environment. "