Write a question about the following article.

We were bestest friends and like brother and sisters . We hung out together , did homework together ( even did each other 's some times ) , went off campus to lunch together , did stuff on the weekend , and were basically joined at the hips three - ways . Our senior year , I noticed that my two friends would disappear more and more . They were n't always available for lunch or homework or riding around after school .

Question:
Why did my two friends probably disappear more and more ?
Options are: + They were brother and sister. + They were dating. + None of the above choices .. + They had to do homework.