If All Workers Like Nice Working Conditions and Labor Markets

Multiple Choice

If all workers like nice working conditions and labor markets are competitive (such that workers are mobile and fully informed) ,then in equilibrium

A) no worker will be in a job that does not have nice working conditions.
B) workers will prefer to work in jobs with nice working conditions.
C) workers will prefer to work in jobs without nice working conditions.
D) workers will be indifferent between jobs with and without nice working conditions.