What are these sub-languages?

Open SQL largely standardized, three sub-languages.

What are these sub-languages? There are 3 correct answers to this question
A . Data Evaluation Language (DEL)
B . The Data Definition Language (DDL)
C . Data Transferring Language (DTL)
D . The Data Control Language (DCL)
E . Data Manipulation Language (DML)

Answer: B,D,E