急请教一个LSAT 题目

sijia_yuUID: 2977199

Six campers：Alice, Betty, Carmen, Dora, Gina, and Harriet are arranging a dish- washing schedule for the six days of their camping trip so that each of them will  wash dishes only one day.
　　Betty washes either on day 2 or day 6.
　　If Alice washes on day I , Carmen washes on day 4; Carmen does not wash on day 4  unless Alice washes on day 1.
　　If Alice washes on day I, Harriet washes on day 5; Harriet does not wash on day 5  unless Ailice washes on day 1.
　　If Gina does not wash on day 3, Alice washes on day 3.
　　If Alice washes on day 4, Dora washes on day 5.
　　If Betty washes on day 2, Gina washes on day 5.
　　If Harriet washes on day 6, Dora washes on day 4.
　　(1) Which one of the following is an acceptable order in which the campers can  wash dishes from the first to the last day?
　　(A) Dora, Betty, Alice, Gina, Carmen, Harriet
　　(B) Betty, Alice, Harriet, Carmen, Gina, Dora
　　(C) Harriet, Gina, Betty, Carmen, Dora, Alice
　　(D) Carmen, Betty, Alice, Dora, Gina, Harriet
　　(E) Alice, Betty, Dora, Carmen, Gina, Harriet
请问答案是不是D？

duijinxiaoziUID: 2585955

是 D

sijia_yuUID: 2977199

1# sijia_yu 谢谢！不过我做得好慢好慢！我是新手！

魔法朱古力UID: 2621853

俺也速度慢！

sijia_yuUID: 2977199

4# 魔法朱古力
你好，请问你做LSAT有没有什么心得？