Опрос от журнала "8 часов": "Чем Вы питаетесь на работе?"

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A woman has seven cookies--four chocolate chip and three oatmeal. She gives one
cookie to each of her six children: Nicole, Ronit, Kim, Deborah, Mark, and
Terrance. If Deborah will only eat the kind of cookie that Kim eats, in how
many different ways can the cookies be distributed? (The leftover cookie will
be given to the dog.)

(A) 5040
(B) 50
(C) 25
(D) 15
(E) 12