Mary Has Just Heard Five Friends Say That Massachusetts Is

Mary has just heard five friends say that Massachusetts is the largest state in New England, when she knows it is Maine. Rob, the next friend in line, says that New Hampshire is the largest state in New England. In this situation, Mary is now less likely to conform with the first five friends than if Rob had said that

A) Maine is the largest state.
B) Massachusetts is the largest state.
C) he isn't familiar with New England.
D) Connecticut is the largest state.