18.??The 12th lunar month in Chinese is called layue(the month to worship all the deities).The 8th day of the 12the lunar month is the Laba Festival.It is treated as the beginning of the Chinese holiday season.After the Laba Festival,people enter into the busy preparation for the Lunar New Year.The main activity of the Laba Festival is cooking and sharing the special laba gruel(laba-zhou).Most people believe it has a close relation to Sakyamuni,the Buddha.He left his comfortable home and set off in search of the final enlightenment.After days of travelling without rest,he collapsed near a river in northern India.He was revived by a wandering shepherdess,who offered him her lunch of family leftovers consisting of sticky cereal,glutinous rice,dates,chestnuts and wild fruit.After consuming this repast,Sakyamuni took a batch and sat under a tree for meditation,where he finally attained enlightenment.The very day was the 8th day of the last lunar month.The meal was the original laba gruel. 问题：At the Laba Fesival,people ( )

A. worship all the deities

B. begin preparations for the Lunar New Year

C. cook a variety of food to mark the occasion

D. eat a special gruel together