which kind does LSA only in the Area 1 internal operate?

A running OSPF router is connected to Area 0 and Area 1. You will configure Area 1 to stub area.

which kind does LSA only in the Area 1 internal operate?
A . Class 7 LSA
B . Class 1 LSA and Class 2 LSA
C . Class 1 LSA,Class 2 LSA and Class 5 LSA
D . Class 3 LSA and Class 4 LSA
E . Class 1 LSA, Class 2 LSA and Class 3 LSA

Answer: E