题目内容：
All of the plants now farmed on a large scale were developed from plants ____ wild. (A) that once grow
(B) once they grow
(C) they once grew
(D) once grew
参考答案：
选择题：All of the plants now farmed on a large scale were
- 题目分类：南阳师范学院-大学英语（二）
- 题目类型：选择题
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(A) that once grow
(B) once they grow
(C) they once grew
(D) once grew