Which sentence needs semi-colons in order to clarify its meaning?

*
2 points
A. The art museum will be closed Saturday April 4, Sunday April 5, and Tuesday April 7 for maintenance.
B. Denise considered taking a watercolor class in September, a pottery class in October and a digital art class in November.
C. I enjoy using pencils, pastels, and charcoal when I draw.
Both A and B
None of the above