Cassandra Is the Well-Known Architect Who Designed the World-Renowned Palo

Cassandra is the well-known architect who designed the world-renowned Palo Duro Opera House. The roof of the building collapses, injuring scores of people. Cassandra:

A) Owes a duty of ordinary care in designing the building.
B) Is held to a higher standard of care in her building designs than a weekend carpenter would be in building an addition to her home.
C) Would be held to the same standard of care as a geologist would be in designing the building.
D) A and B.
E) A and C.