The correct option is D Fused carpels
Syncarpous gynoecium has fused carpels. It is the most common type of gynoecium, for example, tulips, Gynoecium with free carpels is called apocarpous. It is seen in strawberry.
If a gynoecium has a single carpel, it is called monocarpous. If a gynoecium has multiple, distinct (free, unfused) carpels, it is apocarpous. For example- lotus and rose and michelia flowers.
Hence, the correct answer is 'Fused Carpels'