Which three statements about parsers are true?

Which three statements about parsers are true? (Choose three.)

A.
SAX and StAX are bi-directional.

B.
DOM and StAX are bi-directional.

C.
StAX is a push API, whereas SAX is pull.

D.
SAX is a push API, whereas StAX is pull.

E.
SAX and StAX are read-only.

F.
SAX and DOM can write XML documents.
G. StAX and DOM can write XML documents.

Explanation: