Answer to Question 18:
I believe the answer is B: he never ate vegetables, but now he loves them.
Answer to Question 19:
I believe the answer is B: beautiful while also being unique.
Explanation to Question 18:
The <em>ate </em>in the sentence clarifies that he used to never eat vegetables, but now he does.
Explanation to Question 19:
<em>Unique </em>in the sentence is clarifying that the uniqueness of the home's furniture is positive, so it's not beautiful or unique; the furniture is beautiful and unique at the same time.
because, it is easier to use plants or things of that type other than using human trials which can be lethal if done wrong.