According to the passage a survey about butterflies is carried on by______.A.British Isle

外语类 已帮助 人

According to the passage, a survey about butterflies is carried on by______.

A.British Isles

B.British Butterfly Conservation

C.Environment Conservation in the UK

D.Sir David Attenborough

请帮忙给出正确答案和分析,谢谢!

热搜:medline数据库中to字段是表示非英文文献的原文题名