Jane Signs an Instrument Using a "J" with a Swirl

Multiple Choice

Jane signs an instrument using a "J" with a swirl around it. With this mark for a signature, the instrument is

A) ​negotiable.
B) ​not negotiable, because an initial is not state the signer's name.
C) ​not negotiable, because an initial is not a signature.
D) ​not negotiable, because an initial is not an indication of serious intent.