Which mode would you recommend for this configuration?

An EMC Data Domain customer wants to set up link aggregation using two network interface connections. The connections will go from the Data Domain system to Switch A and Switch B.

The following IP/networking configuration will be used to create the aggregation:

Switch A is connected to DD interface eth3a

10 GB link

IP = 10.200.1.10

Switch B is connected to DD interface eth4b

1 GB link

IP = 10.200.1.11

Which mode would you recommend for this configuration?
A . Balanced
B . Round Robin
C . LACP
D . Bonding mode is unsupported