Answer:
the second one, the 3rd one, and the last one
Explanation:
The correct answer is option D (supertonic, mediant, and submediant)
In a major key, the supertonic and mediant triads (ii and iii) are minor, and the submediant triad (vi) is also minor. <span>The diatonic triads in the key of C major are typically identified with roman numerals as expressed in the brackets.</span>
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