Which type of Rhetoric is used in the sentence to make sure my numbers was correct ,I consulted peer-reviewed journals and a professor at harvard who has a phd on the topic

Which type of rhetoric is used in this sentence? To make sure my numbers were correct, I consulted three peer-reviewed journals and a professor at Harvard who has a PhD on the topic.

A.Pathos

B.Bias

C.Logos

D.Ethos

Ethos

Explanation:

Ethos is a rhetoric that is used to show the credibility of a speaker and to affirm that their words and suggestions can be trusted.

Speakers build ethos when they show their audience their qualifications and what makes them an authority on the given topic which makes them the right persons to give their opinion

In this sentence, the use of ethos is to primarily establish the credibility of the speaker by referring a professor at Harvard whom was consulted by the speaker.

since he could see color, and nobody else could, he didn't find it fair that everyone else in the utopia couldn't see color but him and the giver : d

i'm pretty sure i had this question the other day and b was the right answer.