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sat语法题帮我改Each time Mary turns on her computer,she has (A) to

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sat语法题帮我改
Each time Mary turns on her computer,she has (A) to enter a company code,then her initials,and then enters a password (B) before (C) she can begin working (D).怎么改?
sat语法题帮我改Each time Mary turns on her computer,she has (A) to
应该将B中enters去掉
可以发现本句结构如下
she has to enter (A,B ,and C) 这些A(a company code) B(her initials) C (a password )是并列一致的,所以D 的enters多余了,破坏了平行结构,应当去掉