8 bottles need to be arranged togather. 2 of the bottles contain milk and 2 other contain water must sit togather. In how many arrangements can the bottles be arranged?
Choices: A) A.1296 B) B.1850 C) C.2880 D) D.3546 E) E.4200
Glue milk and water bottlestogether: {AB}, {CD}.   6 units {AB}, {CD}, {E}, {F}, {G}, {H} can be arranged in 6! ways. Each bottle within their unit can be arranged in 2! ways.   Therefore the final answer is 6!*2!*2!=2,880.   Answer: C.2880.
<result>C</result>
8 bottles need to be arranged togather. 2 of the bottles contain milk and 2 other contain water must sit togather. In how many arrangements can the bottles be arranged?