参考答案：B

解析：

考点：非谓语动词。此处为过去分词短语作条件状语，相当于一个条件状语从句if the fruit is…，从句中省略了主语the fruit和助动词is，在if条件从句中， fruit作主浯，应用被动语态。

[例句] When asked why he came to the exhibition，he said that he had been interested in oil paintings for yeals．

当被问及为何来看画展时，他说多年来他一直对油画一往情深。