And I did n't care about anyone and just sat down each time the pain was unbearable . Then I 'll take a pack of ice and plaster it over my ankle . After work , we were all in such a good mood that some of us headed down to Geylang to get some food . Suzie , Mei and Ana were in uniform .

Based on the preceding passage, choose your answer for question Why did the author likely put ice on their ankle ?
Select from:
[+] Because they wanted to make a plaster cast for it ..
[+] Because suze , Mei and ana were still in uniform ..
[+] Because they were in such a good mood with their friends ..
[+] Because they must have injured it while they were at work ..
The answer is:
Because they must have injured it while they were at work .