Richard, an Engineer, Supervises the Construction of a New Mountainside

Multiple Choice

Richard, an engineer, supervises the construction of a new mountainside roadway. When the road collapses in a landslide due to faulty grading, Richard is sued by motorists and hikers injured in the collapse. As a professional, Richard is held to the same standard of care as​

A) ​ordinary persons.
B) ​other engineers.
C) ​other professionals, including doctors, dentists, and lawyers.
D) ​those injured in the collapse of the bridge.