Cassie called home and left an incoherent message for her mother. Because Cassie's message made no sense to her mother, Cassie's mom did not know how to respond to the message. [ incoherent] Is underlined

Based on your knowledge of prefixes, which is the best definition of the word "incoherent" as it is used in this sentence?

A)
does not make sense

B)
does not help you fall in love

C)
is perfectly clear and organized

D)
is unhappy and filled with misery