A.172.30.1.0/24 and 10.1.2.0/24;EIGRP only performs autosummarization at the edge between two major networks
B.172.30.0.0/16 and 10.1.2.0/24;R2 will perform autosummarization,although R1 will not
C.Since R2 is configured without autosummarization,it will not propagate the 172.30.1.0/24 route
D.172.30.0.0/8 and 10.0.0.0/8