The answer would be Era desobediente
The correct translations for " He sings better than he plays" would be canta mejor que toca (option A) As it is a comparison in which he sings (canta) better (mejor) than he plays (toca).
Option B would not apply because the 2nd verb is not "play" but "try."
option C and D present the comparison with the adjective Worse which means peor and D also presents the verbs in different order,
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Multiple answers, the questions says lettuce, _______, and green peas are vegetables. So pick a vegetable and name it. The other commenter was correct, las zanahorias are carrots. El maiz is corn, los tomates are tomatos, la papa is a potato, la cebolla is onion, so on and so forth. Just choose one.