题目

Silence is unnatural to a man. He begins life with a cry and     1     it in stillness. In between he does all he can to make a     2     in the world, and he     3     silence more than anything else. Even his conversation is an attempt to prevent a fearful     4     .If he is introduced to another person,and a number of pauses occur in the conversation, he will regard himself as a     5     , a worthless person, and will be full of envy of the most empty-headed chatterbox (话多的人). He knows that ninety-nine percent of human     6    27. Mr. Bush is on time for everything. How ____ it be that he was late for the opening ceremony?    A. can             B. should          C. may             D. Must