单选题 The trees were only three or four metres high, so the butterflies were well within_______of our long-handled nets. The trees were only three or four metres high, so the butterflies were well within_______of our long-handled nets. 
【正确答案】 B
【答案解析】考查名词辨析。within reach of“在附近，在能够得着的地方”。句意：那些树只有三四米高，我们的长柄捕捉网能轻易够得着这些蝴蝶。