Ken, whose primary job is supervising a small production group, is not getting cooperation from all members on the cross-functional team he leads. In particular, Bethany, a senior marketing manager, seems to resist his direction and tries to influence team members to go in another direction. The source of conflict in this case may be
(A) Status differences
(B) A personality clash
(C) Communication failure
(D) Time pressure
(E) Ambiguous jurisdictions

Status difference is defined as the feeling of status belief gets developed in a person which can makes them to behave in inferior way according to the position of together in society. Social esteem and status occupied by a person is the factors on which status difference is initiated.

According to the question, conflict is raising in the team due to the status difference because position of manager is higher than Ken's position in company thus on basis of that manager does not want to follow Ken's instruction as he persist higher position and so is trying to follow other path.

Other options are incorrect because personality, obstruction in communication, control and time constraint is not the fact for the dispute.Thus, the correct option is option(A).