A、Study in a quiet place. B、Improve her grades gradually. C、Change the conditions of her dorm. D、Avoid distractions while studyi

W: I heard Marilyn’s going to college. What’s she studying?
M: She’s taking courses in statistics, economics and accounting（Marilyn正在学统计学，经济学和会计学，可见她要从事的行业与这些科目有关，四个选项中唯有business administration“工商管理”与这三个科目有关。）
Q: What career does Marilyn probably plan to follow?

W: I’ve been studying all the time, but I still can’t see any improvement in my grades.
M: Maybe instead of studying in your dorm, you’d better go some place where there are fewer distractions.（男士建议女士不要在家学习，应该去些不会分散注意力的地方，也就是要有个安静的环境。）
Q: What does the man advise the woman to do?