A multinational project team of 10 is in the late planning stage. The team is joined by 5 people from another geographical location to provide R & D support on the project. What do you think would be the BIGGEST challenge faced by the project manager?

A)Team Building as the teams are from cultures and different ethnic backgrounds .Further they work in virtual environment devoid of face to face, personal interaction

B)Risk Management, the new team brings along additional risk as they are joining project midway

C)Schedule Management as the team works in different locations with different time zones and work hours

D)Communication management with a significant increase in number of potential communication channels -communication becomes more complex