In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

The Romans had developed a (1)____ for chariot racing. The (2)_____ of the game are so excited that sometimes it may (3)____ into chaos, confusion and riots. The (4)_____ in which racing took place was called a circus. The (5)____ one was the Circus Maximus in Rome, that could hold up to 3,85,000 spectators, which shows the popularity of the sport

Select the most appropriate option to fill in blank no. 1.