
Passage: It is no longer new for college students to use their holidays as nannies. According to a survey, 63% of the respondents approved of college students as nannies, but when asked if they would hire a college babysitter in their family, nearly 60% said "no".
Question: Which of the following statements, if true, can reasonably explain the above seemingly contradictory phenomena?
A. A.Among those who choose to "hire college students as nannies", 75% plan to let college students work as tutors or secretaries, and only 25% want college students to do housework
B. B.62% of the people in the survey said they were only willing to pay a monthly salary of about 800 yuan to 1000 yuan to the babysitter of college students
C. C.Among those who are in favor of college students being nannies, 69% think that doing housework is good for college students themselves, and only 31% think that college students' nannies can provide better domestic service
D. D.Among those who disapprove of college students being nannies, 40% believe that students should choose fields related to their majors in practice
Answer: