Answer:
A. Liability is IMMEDIATE when the instrument is signed or issued.
B. Only makers and ACCEPTORS of instruments are primary liable.
C. It is the maker's promise to UNCONDITIONALLY PAY that renders the instrument negotiable.
D. The MAKER must pay a negotiable instrument according to either its stated terms or CONDITIONAL terms that were agreed on and later filled in to complete the instrument.
An acceptor is a drawee, such as a BANK, that promises to pay an instrument when it is presented later for payment.