1 Good child care centers are clean and​ safe, hire trained​ staff, and have enough staff for the number of children. 2 These are three important considerations for single parents and working couples who need day care for their children. 3 Every day in this​ country, at least ten million children go to day care. 4 Many parents feel guilty that they​ can't stay at home to take care of their children. 5 But good day care is available if parents take the time to investigate. Which statement describes this thesis​ statement?

A. It states an opinion.
B. It states the​ essay's controlling idea.
C. It has a limited subject.
D. All of these describe the thesis statement.