After seemed about five hours，we finally arrived at the beaches，just rubbish and thrown- away plastic bags here and there.
A. when；finding
B. what；to find
C. which；to find
D. that；found
网友回答
A. when；finding
(答案→)B. what；to find
C. which；to find
D. that；found
解析：考查宾语从句和不定式做结果状语：句意：在似乎5个小时后，我们最后来到海滩，只是发现到处扔的垃圾和塑料袋。第一空是what引导的宾语从句，what在宾语从句中做主语，第二空是不定式做结果状语，表示预料之外的结果，选B。