According to the passage, a competent baby-sitter should be able to__________ .
A． amuse the baby
B． calm down a crying child
C． deal with unexpected situations
D． give the child assistance at any time
正确答案：C
细节推断题由文章第二段第四句“Inadditionsheshouldbeabletohandleanyunexpectedemergencywithcommonsenseandbecalmatalltimes．”(她得知道如何运用常识处理突发状况并且随时保持冷静)可知C项正确其余各项文中均未提及
