the best answer is B. I and III.
Answer:
lifelessly, casually, halfheartedly, sluggishly, idly, lazily, spiritlessly, Desultorily, indolently, wearily, sleepily, listlessly, lackadaisically, tiredly, languidly.
Explanation:
these are some antonyms for laboriously which means :in a way that takes considerable time and effort.
Repetition of transitional devices as well as repetition of sentence structure could be eliminated. Transition devices should be different every time and if sentence structure is also the same it can ruin the flow.
If I helped you help me out by making me the brainliest.
