Regarding the Comity Clause of Article IV, which deals with privileges and immunities of state citizenship, which of the following is TRUE?
A. This clause protects all out-of-state individuals and entities against discrimination by a state.
B. This clause prevents discrimination with respect to any type of license issued by the state.
C. This clause prevents a state from imposing a residency requirement for private employment.
D. This clause protects against any form of discrimination by a state against out-of-state individuals.