单选题 Henry David Thoreau used to ramble through the woods before he wrote his most famous book Walden (1854).
A. roam B. linger C. wonder D. browse

【正确答案】 A
【答案解析】ramble散步，闲逛。roam漫步，闲逛。linger逗留，留恋。wonder惊讶，惊奇。 browse浏览，吃草。