We left for a summer camp at $4:32$ PM and got to our destination at $6:11$ PM. How long did we travel? (Adapted from 2015 Math Kangaroo Problem, Level 1--2, Question \#24) 
选项为:A:$1$ hour $39$ minutes  B:$2$ hours $39$ minutes  C:$2$ hours $21$ minutes  D:$1$ hour $21$ minutes  E:$39$ minutes  请回答其中一个选项.