第2题: [单项选择]It is ______ understood by all concerned that the word no one who visits him ever breathe a syllable of in his heating will remain forever unspoken. A. uncommunicatively B. acceptably C. tacitly D. taciturnly 参考答案:C 答案解析:[解析] C选项tacitly(沉默地,默然地)符合题意,如:Management has given its tacit approval to the plan(管理部门已暗中对该计划给予了支持。