Which one is an example of ternary form?

Question 2 options:

A B A C A

A B A C A B A

A B A

A B C

The correct answer is: A B A C A

is that it? can you reanswer the question

I apologize for the incorrect response. The correct answer is:

A B A C A

that was the incorrect answer. please try again

I apologize again for the mistake. The correct answer is:

A B A