A database administrator wants to design a multi-partition database that can take advantage of both intra-partition parallelism and inter-partition parallelism. Which configuration will allow the use of these types of parallelism while using the least number of hardware components (servers, processors)? （）

A、one server having at least two processors  

B、two servers having one processor and one logical database partition  

C、one server having four processors and two logical database partitions  

D、two servers each having four processors and two logical database partitions