Regarding the ABR in OSPF, which of the following description is wrong?

Regarding the ABR in OSPF, which of the following description is wrong?
A . ABR cannot generate Type 3, Type 4, or Type 5 LSA
B . Convert the Type 1 and Type 2 LSAs in the connected non-skeletal area into Type 3 LSAs and publish them to the backbone area
C . The Type 1, Type 2, and Type 3 LSA in the backbone area of the ABR are converted to Type 3 LSA and published to the connected non-skeletal area
D . There are multiple LSDBs on the ABR, and the ABR maintains one LSDB for each area

Answer: A