Which of the Following Would Be a Disadvantage of Hiring

Which of the following would be a disadvantage of hiring a contractor?

A) you would not be able to have the contractor arrive at a certain time or perform the job in a certain way
B) the contractor would not be required to perform the job to the same level as an employee
C) the contractor could be terminated if he or she did not fulfill their contracts
D) the contractor generally would have less of a personal commitment to doing the job well