单选题
The stock price for the company fell ______ after the news that the president was involved in the fraud case appeared in a major newspaper.
【正确答案】
B
【答案解析】[解析] 单词形态：副词
1．这是一道单词形态选择题，选项均为sharp的不同形式。
2．不及物动词fell后须填一个副词，因此B为正确选项。
3．能和增加或减少连用的副词有：sharply、markedly、dramatically、significantly、substantially、considerably、remarkably，noticeably、rapidly、increasingly