单选题
. Questions refer to the following e-mail.
17. What will be available to those who have an upset stomach after giving blood?______
17. What will be available to those who have an upset stomach after giving blood?______
【正确答案】
B
【答案解析】 选项B正确，nausea意思是“恶心，反胃”，红十字会为有不适症状的献血者准备了床和毯子。选项A、C和D都错误。