@basheer Please note the following:
1) You must provide the source and author of any text you quote. We told you this in your other thread but you don't seem to have noticed.
2) This forum isn't a free homework service.
3) If this isn't homework, you should first tell us which you think is the correct answer and why.
4) You haven't actually asked a question at all in your post.
Please respond to this post by telling us exactly where you found that exercise.