Mary is not interested in living in big competitive cities. She would rather be （）.A. a little fish in a big pond B. a little fish in a small pond C. a big fish in a big pond D. a big fish in a small pond

A.a little fish in a big pond

B.a little fish in a small pond

C.a big fish in a big pond

D.a big fish in a small pond

正确答案：a big fish in a small pond