Where a Team in the Storming Stage of Its Life

Where a team in the storming stage of its life cycle is merged into or acquired by a new team which is in the performing stage of its life cycle, the manager's best option is likely to be to:

A) dismantle the acquired/merged team's culture completely and impose the acquiring team's culture on all team members.
B) merge the cultures of the two teams.
C) impose the acquired/merged team's culture on the acquiring team's members.
D) create an entirely new culture that places acquired/merged team back in the forming stage.
E) allow each of the team's cultures to exist within the newly merged team.