A corporate environment will include Exchange Server 2010 in a single Active Directory Domain Services (AD DS) domain. The AD DS site topology and Exchange Server topology are configured as shown in the exhibit.  You need to recommend an approach for the placement of the Client Access servers.

Which two actions should you recommend? (Each correct answer presents part of the solution. Choose two.)

A.
Deploy one Client Access server in Site A.

B.
Deploy only one Client Access server in Site B.

C.
Deploy two Client Access servers in Site B.

D.
Deploy one Client Access server in Site C.