질문 내용 :이 문제 밑줄 친 부분 해석이랑 설명좀 부탁드려요. 문장이 길어서 어렵네요...

문 14. 지문의 내용으로 보아 밑줄 친 부분에 들어갈 가장 적절한 단어는?
A survey reveals that most adults consider themselves
well informed about the affairs of the nation and the
world. Yet a regularly taken Roper poll that asks,
From where do you obtain most of your information
about the world? has found the percentage of people
who reply, Television has been increasing steadily
over the past decade. The latest questionnaire found that
well over 60 percent of the respondents chose television
over other media as their major source of information.
These two facts are difficult to ________ since even a
casual study of television news reveals it is only a
headline service and not a source of information
enabling one to shape a world view.
① reconcile ② confirm
③ demonstrate ④ discern