When Congress Obliged Itself to Follow 11 Important Laws It

 When Congress obliged itself to follow 11 important laws it had previously been exempted from,it created the Office of Compliance to oversee the law,rather than have the president execute the law,because 

A)  the latter may have been unconstitutional. 
B)  the leadership wanted to control the office itself. 
C)  the president did not want the job. 
D)  the former was cheaper. 
E)  Congress wanted to avoid following the law.