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? Which sentence in this introduction would be more effective if the writer used it as an opening​ sentence?

A. sentence​ 4, because it uses guilt to draw readers into the essay
B. sentence​ 5, because it wraps up the ideas in the paragraph
C. sentence​ 2, because it states the number of considerations up front
D. sentence​ 3, because it grabs the​ reader's attention with a startling statistic