Which of the following statements is false?

Question $26$ options:

A$)$

The process of forming teeth is similar to that of feather formation.

B$)$

Conodonts were seldom initially found whole.

C$)$

Modern$-$day fish called ostracoderms are the only living relatives of conodonts.

D$)$

None of the above; all of the above statements are true.