All of the flowers now raised here have developed from those in the forest. A. o

All of the flowers now raised here have developed from those _______ in the forest.

A. once they grew  B. they grew once   C. they once grew      D. once grew

试题答案

选 C。

解析:

先行词是 those，可视为 those flowers 之省略。they once grew 前省略了关系代词 which。全句意为：这儿所养的花是由他们曾在森林里种植的花培养出来的。