D. Subordinating conjunction
Explanation: <span>The subordinating conjunction will indicate a </span>time<span>, </span>place<span>, or </span>cause and effect<span> relationship. As the sentence said "on the table" it is referring to a place which it's what the subordinating conjunction is indication. Also when it states "upsetting the vase" it is showing a cause and effect relationship between the gust of wind and the vase.</span>
The answer should be small book group