In a true legal argument, should legal reasoning or moral reasoning be used

The answer is "legal reasoning".

Legal reasoning is a technique for thought and contention utilized by legal counselors and judges while applying legitimate principles to particular connections among lawful people. Legal reasoning on account of a court's decision is found in the 'Dialog or Analysis' area of the legal decision.

It is here that the court gives purpose behind its legitimate decision, and it helps different courts, legal counselors and judges to utilize and take after the decision in consequent procedures. In this way, the discourse or investigation's segment must be very much contemplated and composed.

a is the answer because it just is

if you have to make a general question and respond to your thoughts, then this isn't really a question someone can you on. read the passage, form your question, and answer using your thoughts. no one else can understand how you interpreted this text if you don't tell us.