Which statement is an example of ethos?

D). The Senator, who served two terms on the House Finance Committee recommends saving at least 10 percent of take-home pay in retirement fund.

Explanation:

'Ethos' is exemplified as the technique or mode proposing an ethical appeal based on the speaker's character to persuade the readers to believe in the claim or argument. It is one of the three 'modes of persuasion' as proposed by Aristotle that chiefly focuses on ethics or moral conduct of the people. The other two being logos(appeal to logic) and pathos(appeal to emotions).

As per the question, the last option exemplifies 'ethos' as here the claim is formed on the basis of the speaker's(The Senator's) character or credibility. Therefore, option D would be the appropriate answer.

what are the choises i cant answer without choises

a. energy is conserved on earth, but matter is not.