Why did it surprise people when lorenzo papatini danced the waltz with his dance partner in boston?

a. because he made close physical contact with his partner

b. because they had not practiced the dance enough

c. because mrs. otis did not plan to have dancing at her party

The right answer for the question that is being asked and shown above is that: "c.because Mrs. Otis did not plan to have dancing at her party."  it surprise people when Lorenzo Papatini danced the waltz with his dance partner in Boston because Mrs. Otis did not plan to have dancing at her party