单选题 The president said that he will do everything he could to be ______ of the faith and trust of the people and to honour the powerful example of Senator Daniel Patrick Moynihan.
A. worthy B. confident C. faithful D. confidential

【正确答案】 A
【答案解析】在所提供的四个选择中，只有答案A的worthy一词可跟介词of。