which of the following bus speeds will the system function?

A technician has just installed two memory modules on a motherboard that supports DDR3 RAM
with the bus speed up to 1600 MHz. The specifications of memory are DDR3 1066 MHz for one
module and DDR3 1333 MHz for another. On which of the following bus speeds will the system
function?

A.
800 MHz

B.
1000 MHz

C.
1066 MHz

D.
1600 MHz