Ten minutes after we left the station the bus broke down . My roommate had told me that would probably happen . A 45 minute delay followed before another bus showed up to transfer us . The new bus was in worse shape and made terrible grinding noises like the gears were shot every time the driver shifted .

Based on the preceding passage, choose your answer for question Why did their roommates warn them about the bus beforehand ?
Available options: [I] The bus was notorious for breaking down . [II] The bus is notorious for being delayed . [III] The bus was known to be late . [IV] They wanted them to catch their bus on time .
The answer is:
[I]