What is a difference between using the network command vs. the aggregate-address command to perform route aggregation and summarization?

A.
The network command has more configuration options.

B.
The network command always requires the configuration of a static route pointing to the null interface.

C.
The network command requires the more specific routes to be in the BGP table.

D.
The aggregate-address command can summarize routes learned from other routing protocols besides BGP.

E.
The aggregate-address command has the option to suppress some of the more specific routes.