单选题 Tom could hardly ______ his excitement as he knew that he had made a real discovery.(2002年春季上海交通大学考博试题)

【正确答案】 A

【答案解析】解析：本题空格处是说“无法隐藏他的兴奋之情”。A项的“conceal隐藏”符合题意。如：He concealed the sweets in his pocket．(他把糖果藏在口袋里。)其他三项“reveal揭示：show显示；discover发现”都不正确。