It would be systematic because your not persuading them to do anything and assertive is about your personality. Systematic means to do something according to a plan or system.
Answer:
the last choice, only/alone
Explanation:
all the other choices make sense as the root word sur means, "over," "above," and "in addition to." and the choices "greater than," and "beyond" make sense as well because the root word super means those two things as well as a few of the words that have to do with the root word sur. the only choice that doesn't fit in is the last one.