Answer:
The correct answer option is C. 0.
Explanation:
We are given the following data set and we are to find its median value:

Median is the middle value of a data set which divides it into to halves.
The data set we have starts from -1000 and goes till 1000 which means there are total 2001 elements in it.
Therefore, 0 will the middle value which is the median for this data set.