单选题 Ms. Reynolds has given the loan officer her ______ that her business will be successful within two years.

【正确答案】 A

【答案解析】[解析] 单词形态：名词
1．这是一道单词形态选择题，选项均为assure的不同形式。
2．空格前的her是形容词性物主代词，后应接名词，因此A为正确选项。
3．句子中assurance后的that从句说明了关于确信的具体内容。