Sociology is considered a science because sociologists: A- teach at respected universities B- engage in organized and systematic study of phenomena to enhance understanding

b engage in organized and systematic study of phenomena to enhance understanding.

Explanation:

Sociology is a systematic study of happenings that relate to society and the relationships that form among the members of society.

This field started first as August Compte in 1830 proposed a science based on the methods similar to the ones that apply to hard science thereby pursuing to unveil the secrets about how groups in society come together and work for different purposes.

Today the scope of sociology goes into analyzing power structures, the interest formation, as well as individuals within a whole.

the answer would be in this answer. someone already asked the question.  

c it has to be i googled it