单选题
I was most favorably struck by the
assurance
with which the boy answered all my questions.
【正确答案】
B
【答案解析】[解析] 本题中，assurance意为“确信，断言，保证，担保”。四个选项中，confidence意为“信心”，如：We have full confidence that we shall succeed．(我们完全有把握取得成功。)insurance意为“保险(业)”；reluctance意为“勉强”；independence意为“独立”。只有B项符合题意。