A BCBA who has completed the BACB supervision requirements is asked to supervise seven students who are working towards BCBA certification. The behavior analyst should a. Refuse to supervise more than five people at one time. b. Take on the supervision only if she can do 65% of the oversight as group supervision. c. Only agree if the BCBA can provide effective supervision to this many people. d. Only agree if the BCBA can provide most of the required supervision to this many people