Which scenario could prevent the administrator from fulfilling this requirement?

The administrator at Ursa Major Solar has been asked to change the Work Item and Project custom object relationship from a master-detail to a lookup.

Which scenario could prevent the administrator from fulfilling this requirement?
A . A junction object is required to support the lookup.
B . Roll-up summary fields exist on the master object.
C . The lookup field in all the records contains a value.
D . The lookup field is required for saving records.

View Answer

Answer: B