問題詳情：
The information that the first wild-grown panda had “graduated” from wildlife training to be true.
A. was proving B. proved
C. was designing D. designed
【回答】
【解析】選B。考查動詞用法和詞義辨析。句意:第一個野生成長的熊貓已完成野生訓練的信息被*是真的。prove(to be)+adj. “*……” , prove在這裏為系動詞; design “設計” , 不符合句意。
知識點：動詞
題型：選擇題
