for one to be able to stand in front of congregation.and him or her to be able to defend him or her self
The author of the text that contains this quote appeals to the reader's sense of logic by quoting an authority/expert on the matter. Taking into consideration that expert's opinions, in argument, are as close to a fact as you can get without actually using a fact, this shows us how your best answer here is option B.
Answer
c alexander the great worked only with green he trusted such as nearchus
Is there a picture that can help us help you?
The first one since it uses the Oxford comma.