The correct option is the second one.
The line in the middle of the box represents the median of the data, wich in this case is 3.5, rounded to 3.
And since the more quantity of students hours of internet are betbeen 2 and 4, the box, which is the interquartile range, must be the 50% of the scores.
In this case, we have: 1,3,5,5,4,2 added is equal to 20, the scores in 2 and 3 hours are 10, which effectively is the 50% of the scores.
Thus, the correct option is the secon box