What Is the Key to Submitting a Recommendation to a Superior

What is the key to submitting a recommendation to a superior?

A) Make your request or suggestion confidently, assertively, and directly.
B) Offer many positive comments or compliments about the superior's abilities and wisdom.
C) Write in a tone that makes it clear that you know more than he/she does about the topic.
D) Know your needs and be prepared with evidence to support your suggestion.