Many States Have Passed Laws Against Employment Discrimination Based on Sexual

Many states have passed laws against employment discrimination based on sexual preference. Some have of exclusions for certain occupations. What kind of job is likely meant here?

A) A very limited range of occupations in which biological sex would prevent one from performing his or her duties or interacting with people of the opposite sex on religious grounds and the like.
B) Jobs in which clients would object to gays or lesbians touching them.
C) Certain kinds of social work, such as those treating women in a crisis center.
D) There are no occupations that cannot be occupied by individuals on the basis of sexual orientation or biology.