题目内容：
Upon his return to the states the book version of his travel “The innocents Abroad”, an best—seller.A. was
B. has become
C. had become
D. became
参考答案：
选择题：Upon his return to the states the book version of
- 题目分类：石家庄职业技术学院-会计学-公共英语_1
- 题目类型：选择题
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A. was
B. has become
C. had become
D. became