【单选题】

Hundreds of years before the birth ofChrist, theCelts --the (36) of parts of France and theBritish Isles-- (37) a festival at the beginning of every winter for the Lord of theDeaD、TheCelts believed that this god (38) the world in Winter (39) he called together the ghosts of dead people. On October (31) , people believed these (40) of the dead came back to earth in the (41) of animals. They thought that very baD、ghosts came back (42) black cats. (43) their festival on this day, theCelts (44) to make big fires to frighten the ghosts and chase them (45) . This celebration was the (46) of the holiday of Halloween.

The Romans, who ruled theBritish Isles (47) , also held a (48) at the beginning of winter.Because this was harvest time, the Romans (49) apples and nuts for the Goddess of the garden. (50) theChristians added their customs (51) those of theCelts and the Romans. They had a (52) holiday on November 1 for the saints, (53) they calledAll Hallows’ orAll SaintsDay. The evening (54) this day wasAll Hallows’Even ("holy evening"); (55) the name became Halloween.
A．day
B．holiday
C．festival
D．celebration