PLEASE HELP ASAP 50 POINTS

Read the following excerpt and answer the question.

“My old studies in alchemy,” observed he, “and my sojourn, for above a year past, among a people well versed in the kindly properties of simples, have made a better physician of me than many that claim the medical degree. Here, woman! The child is yours—she is none of mine—neither will she recognize my voice or aspect as a father’s. Administer this draught, therefore, with thine own hand.”

This excerpt is an example of ethos because _____.

the character has studied alchemy extensively
the character explains why the woman should trust him
the character is unknown to the child
the character gives a firm instruction