Everybody______ in the hall where they were welcomed by the secretary.

　　A. assemble B. accumulated C. piled D. joined

　　[accumulate]

　　accumulate 積累

　　gather 收集，收割

　　collect 收集

　　[/accumulate]

　　[pile]

　　pile 堆到一起

　　compile 匯編，編輯

　　pilgrim 圣徒，朝圣者

　　analog 類比，類似物

　　analogy 類推