Mary liked the watch so much that she used what she had to pay for it. Now only five cents

问题补充：

Mary liked the watch so much that she used what she had to pay for it. Now only five cents.

A. remained

B. left

C. was remained

D. was leaving

答案：

(答案→)A. remained

B. left

C. was remained

D. was leaving

解析：考查remain与leave的区别。remain是不及物动词，没有被动形式，故排除C；而leave是及物动词，应用被动形式，故排除B和D, 故A正确。