The caterers must know ______how many people come for dinner.
【正确答案】 B
【答案解析】包办伙食的人必须大体上知道会有多少人来用餐。A.abundantly“丰富地,大量地” B.approximately“大约,几乎”C.confidentially“亲密地,秘密地”D.essentially“基本上,根本上”